
2,259 of 2,259 saints
| Name↕ | Date↑ | Century↕ | |
|---|---|---|---|
| + | Bd Hugolino of Gualdo (a.d. 1260) | January 1 | 13th-century |
| + | Bd Joseph Tommasi, Cardinal of the Holy Roman Church | January 1 | 18th-century |
| + | Bd Zdislava, Matron (a.d. 1252) | January 1 | 13th-century |
| + | St Almachius, or Telemachus, Martyr (c. a.d. 400) | January 1 | 4th-century |
| + | St Clarus, Abbot (c. a.d. 660) | January 1 | 7th-century |
| + | St Concordius, Martyr (c. a.d. 178) | January 1 | 2nd-century |
| + | St Eugendus, or Oyend, Abbot (r. a.d. 510) | January 1 | 6th-century |
| + | St Euphrosyne, Virgin (fifth Century ?) | January 1 | 5th-century |
| + | St Felix, Bishop of Bourges (c. a.d. 580) | January 1 | 6th-century |
| + | St Fulgentius, Bishop of Ruspe (a.d. 533) | January 1 | 6th-century |
| + | St Odilo, Abbot (a.d. 1049) | January 1 | 11th-century |
| + | St Peter of Atroa, Abbot (a.d. 837) | January 1 | 9th-century |
| + | St William of Saint Benignus, Abbot (a.d. 103 i) | January 1 | 2nd-century |
| + | Bd Ayrald, Bishop of Maurienne (a.d. 1146 ?) | January 2 | 12th-century |
| + | Bd Stephana Quinzani, Virgin (a.d. 1530) | January 2 | 16th-century |
| + | St Adalhard, or Adelard, Abbot (a.d. 827) | January 2 | 9th-century |
| + | St Caspar del Bufalo, Founder of the Missioners of the | January 2 | 19th-century |
| + | St Macarius of Alexandria (c. a d. 394) | January 2 | 4th-century |
| + | St Munchin, Bishop (seventh century) | January 2 | 7th-century |
| + | St Vingentian (a.d. 672 ?) | January 2 | 7th-century |
| + | St Antherus, Pope and Martyr (a.d. 236) | January 3 | 3rd-century |
| + | St Genevieve, or Genovefa, Virgin (c. ad. 500) | January 3 | 5th-century |
| + | St Peter Balsam, Martyr (a.d. 311) | January 3 | 4th-century |
| + | Bd Oringa, Virgin (a.d. 13 10) | January 4 | unknown |
| + | Bd Roger of Ellant (a.d. 1160) | January 4 | 12th-century |
| + | St Bertilia of Mareuil, Widow (eighth century) | January 4 | 8th-century |
| + | St Gregory, Bishop of Langres (a.d. 539) | January 4 | 6th-century |
| + | St Pharaildis, Virgin (c. a.d. 740) | January 4 | 8th-century |
| + | St Rigobert, Archbishop of Rheims (c. a.d. 745) | January 4 | 8th-century |
| + | St Syncletica Virgin (c. a.d. 400) | January 4 | 4th-century |
| + | St Telesphorus, Pope and Martyr (c. a.d. 136) | January 4 | 2nd-century |
| + | St Convoyon, Abbot (a.d. 868) | January 5 | 9th-century |
| + | St Dorotheus the Younger, Abbot (eleventh century) | January 5 | 11th-century |
| + | St Gerlag (c. a.d. 1170) | January 5 | 12th-century |
| + | St Simeon the Stylite (ad. 459) | January 5 | 5th-century |
| + | Bd Gertrude of Delft, Virgin (a.d. 1358) | January 6 | 14th-century |
| + | Bd Raphaela Mary, Virgin, Foundress of the Handmaids of the | January 6 | 20th-century |
| + | St Erminold, Abbot (a.d. 1121) | January 6 | 12th-century |
| + | St Guarinus, or Gufatln, Bishop of Sion (a.d. 1150) | January 6 | 12th-century |
| + | St John de Ribera, Archbishop of Valencia (a.d. 161 i) | January 6 | 2nd-century |
| + | St Wiltrudis, Widow (c. a.d. 986) | January 6 | 10th-century |
| + | Bd Edward Waterson, Martyr (a.d. 1593) | January 7 | 16th-century |
| + | St Aldric, Bishop of le Mans (a.d. 856) | January 7 | 9th-century |
| + | St Canute Lavard, Martyr (a.d. 1131) | January 7 | 12th-century |
| + | St Lucian was born at Samosata, in Syria. He became a great proficient | January 7 | unknown |
| + | St Reinold (a.d. 960 ?) | January 7 | 10th-century |
| + | St Tillo (c. a.d. 702) | January 7 | 8th-century |
| + | St Valentine, Bishop (a.d. 440 ?) | January 7 | 5th-century |
| + | St Apollinaris, Bishop of Hierapolis (c. a.d. 179) | January 8 | 2nd-century |
| + | St Erhard, Bishop (a.d. 686 ?) | January 8 | 7th-century |
| + | St Gudula, Virgin (a.d. 712 ?) | January 8 | 8th-century |
| + | St Lucian of Beauvais, Martyr (a.d. 290 ?) | January 8 | 3rd-century |
| + | St Pega, Virgin (c. a.d. 719) | January 8 | 8th-century |
| + | St Severinus of Noricum (c. ad. 480) | January 8 | 5th-century |
| + | St Thorfinn, Bishop of Hamar (a.d. 1285) | January 8 | 13th-century |
| + | St Wulsin, Bishop of Sherborne (a.d. 1005) | January 8 | 11th-century |
| + | Bd Alix le Clercq* Virgin, Co-foundress of the Augustinian | January 9 | 17th-century |
| + | St Adrian, Abbot of Canterbury (a.d. 710) | January 9 | 8th-century |
| + | St Berhtwald, Archbishop of Canterbury (a.d. 731) | January 9 | 8th-century |
| + | St John the Good, Bishop of Milan (a.d. 660) | January 9 | 7th-century |
| + | St Marcian (a.d. 471) | January 9 | 5th-century |
| + | St Marciana, Virgin and Martyr (c. a.d. 303) | January 9 | 4th-century |
| + | St Peter, Bishop of Sebastea (a.d. 391) | January 9 | 4th-century |
| + | St Waningus, or Vaneng (c. a.d. 683) | January 9 | 7th-century |
| + | Bd Gregory X, Pope (ad. 1276) | January 10 | 13th-century |
| + | St Agatho, Pope (a.d. 681) | January 10 | 7th-century |
| + | St Hyginus, Pope (c. a.d. 142) | January 10 | 2nd-century |
| + | St Peter Orseolo (a.d. 987) | January 10 | 10th-century |
| + | St Theodosius the Cenobiarch (ad. 529) | January 10 | 6th-century |
| + | St William, Archbishop of Bourges (a.d. 1209) | January 10 | 13th-century |
| + | St Arcadius, Martyr (a.d. 304 ?) | January 12 | 4th-century |
| + | St Benedict, or Benet, Biscop, Abbot of Wearmouth and | January 12 | 7th-century |
| + | St Caesaria, Virgin (c. a.d. 529) | January 12 | 6th-century |
| + | St Salvius, or Sauve, Bishop of Amiens (c. a.d. 625) | January 12 | 7th-century |
| + | St Victorian, Abbot (a.d. 558) | January 12 | 6th-century |
| + | Bd Godfrey of Kappenberg (a.d. 1127) | January 13 | 12th-century |
| + | Bd Jutta of Huy, Widow (ad. 1228) | January 13 | 13th-century |
| + | Bd Veronica of Binasco, Virgin (ad. 1497) | January 13 | 15th-century |
| + | St Agrecius, Bishop of Trier (a.d. 329 ?) | January 13 | 4th-century |
| + | St Berno, Abbot of Cluny (a.d. 927) | January 13 | 10th-century |
| + | Bd Giles of Lorenzana (ad. 15 18) | January 14 | unknown |
| + | Bd Odo of Novara (ad. 1200) | January 14 | 12th-century |
| + | Bd Odorig of Pordenone (ad. 133 i) | January 14 | 2nd-century |
| + | Bd Roger of Todi (ad. 1237) | January 14 | 13th-century |
| + | St Antony Puggi (ad. 1892) | January 14 | 19th-century |
| + | St Augustine, who often urges the authority of St Hilary against the | January 14 | unknown |
| + | St Datius, Bishop of Milan (a.d. 552) | January 14 | 6th-century |
| + | St Felix of Nola {c. ad. 260) | January 14 | 3rd-century |
| + | St Hilary, Bishop of Poitiers, Doctor of the Church (c. | January 14 | 4th-century |
| + | St Kentigern, or Mungo, Bishop in Strathclyde (a.d. | January 14 | unknown |
| + | St Macrina the Elder, Widow (c. ad. 340) | January 14 | 4th-century |
| + | St Paul the Hermit (ad. 342) | January 14 | 4th-century |
| + | St Sava, Archbishop of the Serbs (a.d. 1237) | January 14 | 13th-century |
| + | Bd Francis de Capillas, Martyr (a.d. 1648) | January 15 | 17th-century |
| + | Bd Peter of Gastelnau, Martyr (a.d. 1208) | January 15 | 13th-century |
| + | St Bonitus, or Bonet, Bishop of Clermont (a.d. 706) | January 15 | 8th-century |
| + | St Ceolwulf (a.d. 760 :) | January 15 | 8th-century |
| + | St Isidore of Alexandria (ad. 404) | January 15 | 5th-century |
| + | St Ita, Virgin (c. a.d. 570) | January 15 | 6th-century |
| + | St John Calybites (c. ad. 450) | January 15 | 5th-century |
| + | St Macarius the Elder (ad. 390) | January 15 | 4th-century |
| + | St Maurus, Abbot (sixth century) | January 15 | 6th-century |
| + | Bd Ferreolus, Bishop of Grenoble, Martyr (c. a.d. 670) | January 16 | 7th-century |
| + | Bd Gonsalo of Amarante (a.d. 1259?) | January 16 | 13th-century |
| + | St Fursey, Abbot (c. a.d. 648) | January 16 | 7th-century |
| + | St Henry of Cocket (ad. 1220) | January 16 | 13th-century |
| + | St Honoratus, Bishop of Arles (a.d. 429) | January 16 | 5th-century |
| + | St Marcellus had been a priest under Pope St Marcellinus, and | January 16 | unknown |
| + | St Priscilla, Matron (c. a.d. 98) | January 16 | unknown |
| + | Bd Roseline, Virgin (a.d. 1329) | January 17 | 14th-century |
| + | St Antony was born at a village south of Memphis in Upper Egypt in 251. | January 17 | 3rd-century |
| + | St Genulf, or Genou, Bishop (a.d. 250 ?) | January 17 | 3rd-century |
| + | St Julian Sabas (a.d. 377) | January 17 | 4th-century |
| + | St Peter, having triumphed over Satan in the East, pursued the enemy | January 17 | unknown |
| + | St Richimir, Abbot (c. a.d. 715) | January 17 | 8th-century |
| + | St Sabinus, Bishop of Piacenza (a.d. 420) | January 17 | 5th-century |
| + | St Sulpicius Ii, or Sulpice, Bishop of Bourges (a.d. 647) | January 17 | 7th-century |
| + | Bd Beatrice D'este of Ferrara, Widow (a.d. 1262) | January 18 | 13th-century |
| + | Bd Christina of Aquila, Virgin (a.d. 1543) | January 18 | 16th-century |
| + | St Deicolus, or Desle, Abbot (c. a.d. 625) | January 18 | 7th-century |
| + | St Prisca, Virgin and Martyr (date unknown) | January 18 | unknown |
| + | St Volusian, Bishop of Tours (a.d. 496) | January 18 | 5th-century |
| + | Bd Andrew of Peschiera (a.d. 1485) | January 19 | 15th-century |
| + | Bd Bernard of Gorleone (a.d. 1667) | January 19 | 17th-century |
| + | Bd Margaret Bourgeoys, Virgin, Foundress of the Con- | January 19 | 17th-century |
| + | Bd Thomas of Cori (a.d. 1729) | January 19 | 18th-century |
| + | St Albert of Cashel, Bishop (seventh Century ?) | January 19 | 7th-century |
| + | St Canute of Denmark, Martyr (ad. 1086) | January 19 | 11th-century |
| + | St Charles of Sezze (ad. 1670) | January 19 | 17th-century |
| + | St Fillan, or Foelan, Abbot (eighth century) | January 19 | 8th-century |
| + | St Germanicus, Martyr (a.d. 155 ?) | January 19 | 2nd-century |
| + | St Henry, Bishop of Uppsala, Martyr (a.d. 1156?) | January 19 | 12th-century |
| + | St Nathalan, Bishop (a.d. 678) | January 19 | 7th-century |
| + | St Wulfstan, Bishop of Worcester (a.d. 1095) | January 19 | 11th-century |
| + | Bd Benedict of Coltiboni (c. a.d. 1107) | January 20 | 12th-century |
| + | Bd Desiderius, or Didier, Bishop of Therouanne (a.d. | January 20 | unknown |
| + | St Agnes has always been looked upon in the Church as a special patroness | January 20 | unknown |
| + | St Euthymius the Great, Abbot (a.d. 473) | January 20 | 5th-century |
| + | St Fabian succeeded St Antherus in the pontificate about the | January 20 | unknown |
| + | St Fechin, Abbot (a.d. 665) | January 20 | 7th-century |
| + | St Sebastian, Martyr (a.d. 288 ?) | January 20 | 3rd-century |
| + | Bd Edward Stransham, Martyr (ad. 1586) | January 21 | 16th-century |
| + | St Epiphanius, Bishop of Pavia (a.d. 496) | January 21 | 5th-century |
| + | St Fructuosus, Bishop of Tarragona, Martyr (a.d. 259) | January 21 | 3rd-century |
| + | St Meinrad, Martyr (a.d. 861) | January 21 | 9th-century |
| + | St Patroclus, Martyr (a.d. 259 ?) | January 21 | 3rd-century |
| + | Bd Josepha of Beniganim, Virgin (ad. 1696) | January 22 | 17th-century |
| + | Bd William Patenson, Martyr (a.d. 1592) | January 22 | 16th-century |
| + | St Anastasius the Persian, Martyr (a.d. 628) | January 22 | 7th-century |
| + | St Berhtwald, Bishop of Ramsbury (a.d. 1045) | January 22 | 11th-century |
| + | St Blesilla, Widow (a.d. 383) | January 22 | 4th-century |
| + | St Dominic of Sora, Abbot (a.d. 103 i) | January 22 | 2nd-century |
| + | St Raymund of Penafort (ad. 1275) | January 22 | 13th-century |
| + | St Vincent of Saragossa, Martyr (ad. 304) | January 22 | 4th-century |
| + | St Vincent Pallotti, Founder of the Society of Catholic | January 22 | 19th-century |
| + | Bd Margaret of Ravenna, Virgin (a.d. 1505) | January 23 | 16th-century |
| + | St Asclas, Martyr (third Century ?) | January 23 | 3rd-century |
| + | St Bernard, Archbishop of Vienne (a.d. 842) | January 23 | 9th-century |
| + | St Emerentiana, Virgin and Martyr (c. a.d. 304 ?) | January 23 | 4th-century |
| + | St Ildephonsus, Archbishop of Toledo (a.d. 667) | January 23 | 7th-century |
| + | St John the Almsgiver, Patriarch of Alexandria (a.d. | January 23 | unknown |
| + | St Lufthildis, Virgin (c. a.d. 850 ?) | January 23 | 9th-century |
| + | St Maimbod, Martyr (a.d. 880 ?) | January 23 | 9th-century |
| + | Bd Marcolino of Forli (ad. 1397) | January 24 | 14th-century |
| + | St Babylas, Bishop of Antioch, Martyr (c. a.d. 250) | January 24 | 3rd-century |
| + | St Felician, Bishop of Foligno, Martyr (c. a.d. 254) | January 24 | 3rd-century |
| + | St Macedonius {c. ad. 430) | January 24 | 5th-century |
| + | St Timothy, the beloved disciple of St Paul, was probably a native of | January 24 | unknown |
| + | St Apollo, Abbot (c. a.d. 395) | January 25 | 4th-century |
| + | St Artemas, Martyr (date unknown) | January 25 | unknown |
| + | St Polycarp was one of the most famous of the little group of early | January 25 | unknown |
| + | St Poppo, Abbot (a.d. 1048) | January 25 | 11th-century |
| + | St Praejectus, or Prix, Bishop of Clermont, Martyr (a.d. 676) | January 25 | 7th-century |
| + | St Publius, Abbot (c. a.d. 380) | January 25 | 4th-century |
| + | St Alberic, Abbot of Citeaux, Co-founder of the Cistercian | January 26 | 12th-century |
| + | St Conan, Bishop (seventh Century ?) | January 26 | 7th-century |
| + | St Eystein, Archbishop of Nidaros (a.d. 1188) | January 26 | 12th-century |
| + | St Margaret of Hungary, Virgin (ad. 1270) | January 26 | 13th-century |
| + | St Paula, Widow (a.d. 404) | January 26 | 5th-century |
| + | Bd John of Warneton, Bishop of Therouanne (a.d. | January 27 | unknown |
| + | St John Chrysostom, Archbishop of Constantinople and | January 27 | 5th-century |
| + | St Julian, Bishop of le Mans (date unknown) | January 27 | unknown |
| + | St Marius, or May, Abbot (c. a.d. 555) | January 27 | 6th-century |
| + | St Peter Nolasco, Founder of the Order of Our Lady | January 27 | 13th-century |
| + | St Vitalian, Pope (a.d. 672) | January 27 | 7th-century |
| + | Bd Antony of Amandola (ad. 1350) | January 28 | 14th-century |
| + | Bd Charlemagne (a.d. 814) | January 28 | 9th-century |
| + | Bd James the Almsgiver (ad. 1304) | January 28 | 14th-century |
| + | Bd Julian Maunoir (ad. 1683) | January 28 | 17th-century |
| + | Bd Mary of Pisa, Widow (ad. 143 1) | January 28 | 2nd-century |
| + | St Amadeus, Bishop of Lausanne (a.d. 1159) | January 28 | 12th-century |
| + | St Francis de Sales was born at the Chateau de Sales in Savoy on | January 28 | unknown |
| + | St Francis de Sales, Bishop of Geneva and Doctor of the | January 28 | 17th-century |
| + | St John of Reomay, Abbot (c. a.d. 544) | January 28 | 6th-century |
| + | St Paulinus, Patriarch of Aquileia (a.d. 804) | January 28 | 9th-century |
| + | St Peter Thomas, Titular Patriarch of Constantinople | January 28 | 14th-century |
| + | St Barsimaeus, Bishop of Edessa (a.d. 250 ?) | January 29 | 3rd-century |
| + | St Gildas the Wise, Abbot (c. a.d. 570) | January 29 | 6th-century |
| + | St Martina, Virgin and Martyr (date unknown) | January 29 | unknown |
| + | St Sabinian, Martyr (date unknown) | January 29 | unknown |
| + | St Sulpicius "severus", Bishop of Bourges (a.d. 591) | January 29 | 6th-century |
| + | Bd Sebastian Valfre (ad. 1710) | January 30 | 18th-century |
| + | St Adelelmus, or Aleaume, Abbot (c a.d. iioo) | January 30 | unknown |
| + | St Aldegundis, Virgin (a.d. 684) | January 30 | 7th-century |
| + | St Bathildis, Widow (a.d. 680) | January 30 | 7th-century |
| + | St Hyacintha Mariscotti, Virgin (ad. 1640) | January 30 | 17th-century |
| + | Bd Paula Gambara-costa, Matron (a.d. 15 15) | January 31 | unknown |
| + | St Adamnan of Coldingham (c. a.d. 680) | January 31 | 7th-century |
| + | St Aidan, or Maedoc, of Ferns, Bishop (a.d. 626) | January 31 | 7th-century |
| + | St Eusebius, Martyr (a.d. 884) | January 31 | 9th-century |
| + | St Francis Xavier Bianchi (a.d. 1815) | January 31 | 19th-century |
| + | St John Bosco, Founder of the Salesians of Don Bosco | January 31 | 19th-century |
| + | St Marcella, Widow (a.d. 410) | January 31 | 5th-century |
| + | St Nicetas, Bishop of Novgorod (a.d. 1107) | January 31 | 12th-century |
| + | St Ulphia, Virgin (c. a.d. 750) | January 31 | 8th-century |
| + | Bd Antony the Pilgrim (ad. 1267) | February 1 | 13th-century |
| + | Bd Henry Morse, Martyr (a.d. 1645) | February 1 | 17th-century |
| + | St Brigid, or Bride, Abbess of Kildare, Virgin (c. a.d. 525) | February 1 | 6th-century |
| + | St John "of the Grating ", Bishop of Saint-malo (c. | February 1 | unknown |
| + | St Pionius, Martyr (a.d. 250 ?) | February 1 | 3rd-century |
| + | St Sigebert Iii of Austrasia (ad. 656) | February 1 | 7th-century |
| + | St Adalbald of Ostrevant, Martyr (ad. 652) | February 2 | 7th-century |
| + | St Blaise, Bishop of Sebastea, Martyr (a.d. 316 ?) | February 2 | 4th-century |
| + | St Joan de Lestonnac, Widow, Foundress of the Religious | February 2 | 17th-century |
| + | Bd John Nelson, Martyr (a.d. 1578) | February 3 | 16th-century |
| + | Bd Simon of Cascia (ad. 1348) | February 3 | 14th-century |
| + | Bd Stephen Bellesini (a.d. 1840) | February 3 | 19th-century |
| + | St Anskar, Archbishop of Hamburg and Bremen (a.d. 865) | February 3 | 9th-century |
| + | St Ia, Virgin (sixth century) | February 3 | 6th-century |
| + | St Laurence, Archbishop of Canterbury (a.d. 619) | February 3 | 7th-century |
| + | St Laurence, Bishop of Spoleto (a.d. 576) | February 3 | 6th-century |
| + | St Margaret " of England ", Virgin (ad. 1192) | February 3 | 12th-century |
| + | St Werburga, Virgin (c. a.d. 700) | February 3 | 7th-century |
| + | Bd Rabanus Maurus, Archbishop of Mainz (a.d. 856) | February 4 | 9th-century |
| + | Bd Thomas Plumtree, Martyr (ad. 1570) | February 4 | 16th-century |
| + | St Agatha, Virgin and Martyr (date unknown) | February 4 | unknown |
| + | St Andrew Corsini, Bishop of Fiesole (a.d. 1373) | February 4 | 14th-century |
| + | St Isidore of Pelusium, Abbot (c. a.d. 450) | February 4 | 5th-century |
| + | St Joan of France, Matron, Foundress of the Annonciades | February 4 | 16th-century |
| + | St John de Britto, Martyr (a.d. 1693) | February 4 | 17th-century |
| + | St Joseph of Leonessa (a.d. 1612) | February 4 | 17th-century |
| + | St Mod An, Abbot (c. a.d. 550 ?) | February 4 | 6th-century |
| + | St Nicholas Studites, Abbot (a.d. 863) | February 4 | 9th-century |
| + | St Phileas, Bishop of Thmuis, Martyr (a.d. 304) | February 4 | 4th-century |
| + | St Rembert, Archbishop of Hamburg and Bremen (a.d. 888) | February 4 | 9th-century |
| + | St Theophilus the Penitent (no date) | February 4 | unknown |
| + | St Adelaide of Bellich, Virgin (ad. 1015) | February 5 | 11th-century |
| + | St Avitus, Bishop of Vienne (c. a.d. 525) | February 5 | 6th-century |
| + | St Bertulf, or Bertoul (c. ad. 705 ?) | February 5 | 8th-century |
| + | St Vodalus, or Voel (c. ad. 720) | February 5 | 8th-century |
| + | Bd Raymund of Fitero, Abbot (ad. 1163) | February 6 | 12th-century |
| + | St Amand, Bishop (c. a.d. 679) | February 6 | 7th-century |
| + | St Dorothy, Virgin and Martyr (c. a.d. 303 ?) | February 6 | 4th-century |
| + | St Guarinus, Cardinal-bishop of Palestrina (a.d. 1159) | February 6 | 12th-century |
| + | St Hildegund, Widow (a.d. 1183) | February 6 | 12th-century |
| + | St Titus was born a Gentile, and seems to have been converted by St Paul, | February 6 | unknown |
| + | St Vedast, or Vaast, Bishop of Arras (a.d. 539) | February 6 | 6th-century |
| + | Bd Angelo of Furcio (ad. 1327) | February 7 | 14th-century |
| + | Bd Antony of Strongone (a.d. 1461) | February 7 | 15th-century |
| + | Bd Giles Mary (ad. 1812) | February 7 | 19th-century |
| + | Bd Rizzerio (a.d. 1236) | February 7 | 13th-century |
| + | Bd Thomas Sherwood, Martyr (ad. 1578) | February 7 | 16th-century |
| + | St Adaucus, Martyr (a.d. 303) | February 7 | 4th-century |
| + | St Luke the Younger (c. ad. 946) | February 7 | 10th-century |
| + | St Moses, Bishop (c. a.d. 372) | February 7 | 4th-century |
| + | St Richard, " King " (a.d. 720) | February 7 | 8th-century |
| + | St Romuald, Abbot, Founder of the Camaldolese Benedictines | February 7 | 11th-century |
| + | St Romuald, of the family of the Onesti, Dukes of Ravenna, was probably | February 7 | unknown |
| + | St Theodore of Heraclea, Martyr (no Date ?) | February 7 | unknown |
| + | Bd Isaiah of Cracow (ad. 1471) | February 8 | 15th-century |
| + | Bd Peter Igneus, Cardinal-bishop of Albano (a.d. 1089) | February 8 | 11th-century |
| + | St Cuthman (c. a.d. 900) | February 8 | 9th-century |
| + | St Cyril has been called the Doctor of the Incarnation, as St Augustine | February 8 | unknown |
| + | St Cyril, Archbishop of Alexandria, Doctor of the Church (a.d. | February 8 | unknown |
| + | St Elfleda, Abbess of Whitby, Virgin (a.d. 714) | February 8 | 8th-century |
| + | St John of Matha, Co-founder of the Order of the Most Holy | February 8 | 13th-century |
| + | St John was born at Faucon, on the borders of Provence, and when a | February 8 | unknown |
| + | St Meingold, Martyr (c. a.d. 892 ?) | February 8 | 9th-century |
| + | St Nicetius, or Nizier, Bishop of Besancon (c. a.d. 6ii ?) | February 8 | unknown |
| + | St Stephen of Muret, Abbot (ad. 1124) | February 8 | 12th-century |
| + | Bd Marianus Scotus (a.d. 1088) | February 9 | 11th-century |
| + | St Alto, Abbot (c. a.d. 760) | February 9 | 8th-century |
| + | St Ansbert, Bishop of Rouen (c. a.d. 695) | February 9 | 7th-century |
| + | St Apollonia, Virgin and Martyr (a.d. 249) | February 9 | 3rd-century |
| + | St Nicephorus, Martyr (no date) | February 9 | unknown |
| + | St Sabinus, Bishop of Canosa (c. a.d. 566) | February 9 | 6th-century |
| + | St Teilo, Bishop (sixth century) | February 9 | 6th-century |
| + | Bd Clare of Rimini, Widow (ad. 1346) | February 10 | 14th-century |
| + | Bd Hugh of Fosses (ad. 1164) | February 10 | 12th-century |
| + | St Austreberta, Virgin (a.d. 704) | February 10 | 8th-century |
| + | St Benedict of Aniane, Abbot (ad. 821) | February 10 | 9th-century |
| + | St Caedmon (c. a.d. 680) | February 10 | 7th-century |
| + | St Gregory Ii, Pope (ad. 731) | February 10 | 8th-century |
| + | St Lazarus, Bishop of Milan (c. a.d. 450) | February 10 | 5th-century |
| + | St Lucius, Bishop of Adrianople, Martyr (a.d. 350) | February 10 | 4th-century |
| + | St Paschal I, Pope (a.d. 824) | February 10 | 9th-century |
| + | St Scholastica, Virgin (ad. 543) | February 10 | 6th-century |
| + | St Severinus, Abbot (a.d. 507) | February 10 | 6th-century |
| + | St Soteris, Virgin and Martyr (a.d. 304) | February 10 | 4th-century |
| + | St Trumwin, Bishop of the Picts (c. a.d. 690) | February 10 | 7th-century |
| + | St William of Maleval (ad. 1157) | February 10 | 12th-century |
| + | St Antony Kauleas, Patriarch of Constantinople (a.d. | February 12 | unknown |
| + | St Ethelwald, Bishop of Lindisfarne (c. a.d. 740) | February 12 | 8th-century |
| + | St Julian the Hospitaller (no date) | February 12 | unknown |
| + | St Ludan (a.d. 1202 ?) | February 12 | 13th-century |
| + | St Marina, Virgin (no date) | February 12 | unknown |
| + | St Meletius, Archbishop of Antioch (a.d. 381) | February 12 | 4th-century |
| + | Bd Archangela Girlani, Virgin (ad. 1494) | February 13 | 15th-century |
| + | Bd Beatrice of Ornacieu, Virgin (a.d. 1309) | February 13 | 14th-century |
| + | Bd Christina of Spoleto (ad. 1458) | February 13 | 15th-century |
| + | Bd Eustochium of Padua, Virgin (ad. 1469) | February 13 | 15th-century |
| + | St Catherine Dei Ricci, Virgin (ad. 1590) | February 13 | 16th-century |
| + | St Ermengild, or Ermenilda, Abbess of Ely, Widow (a.d. | February 13 | unknown |
| + | St Licinius, or Lesin, Bishop of Angers (c. a.d. 616) | February 13 | 7th-century |
| + | St Martinian the Hermit (date unknown) | February 13 | unknown |
| + | St Modomnoc (sixth century) | February 13 | 6th-century |
| + | St Polyeuctus, Martyr (a.d. 259) | February 13 | 3rd-century |
| + | St Stephen of Rieti, Abbot (c. ad. 560) | February 13 | 6th-century |
| + | Bd Angelo of Gualdo (ad. 1325) | February 14 | 14th-century |
| + | Bd Conrad of Bavaria (ad. 1154) | February 14 | 12th-century |
| + | Bd John Baptist of Almodovar (ad. 1613) | February 14 | 17th-century |
| + | Bd Nicholas Paglia (a.d. 1255) | February 14 | 13th-century |
| + | St Abraham, Bishop of Carrhae (c. a.d. 422) | February 14 | 5th-century |
| + | St Adolf, Bishop of Osnabruck (a.d. 1224) | February 14 | 13th-century |
| + | St Antoninus of Sorrento, Abbot (ad. 830) | February 14 | 9th-century |
| + | St Auxentius (a.d. 473) | February 14 | 5th-century |
| + | St Conran, Bishop (sixth Century ?) | February 14 | 6th-century |
| + | St Maro, Abbot (a.d. 433) | February 14 | 5th-century |
| + | St Valentine, Martyr (c. a.d. 269) | February 14 | 3rd-century |
| + | Bd Angelo of Borgo San Sepolcro (c. ad. 1306) | February 15 | 14th-century |
| + | Bd Claud la Colombiere (ad. 1682) | February 15 | 17th-century |
| + | Bd Jordan of Saxony (a.d. 1237) | February 15 | 13th-century |
| + | Bd Julia of Certaldo, Virgin (ad. 1367) | February 15 | 14th-century |
| + | St Agape, Virgin and Martyr (date unknown) | February 15 | unknown |
| + | St Juliana, Virgin and Martyr (c. a.d. 305 ?) | February 15 | 4th-century |
| + | St Onesimus, Martyr (first century) | February 15 | 1st-century |
| + | St Sigfrid, Bishop of Vaxjo (c. a.d. 1045) | February 15 | 11th-century |
| + | St Tanco, Bishop of Verden, Martyr (a.d. 808) | February 15 | 9th-century |
| + | St Walfrid, Abbot (c. a.d. 765) | February 15 | 8th-century |
| + | Bd Bernard Scammacca (ad. i486) | February 16 | unknown |
| + | Bd Eustochium of Messina, Virgin (ad. 1468) | February 16 | 15th-century |
| + | Bd Philippa Mareri, Virgin (ad. 1236) | February 16 | 13th-century |
| + | Bd Verdiana, Virgin (c. ad. 1240) | February 16 | 13th-century |
| + | St Gilbert of Sempringham, Founder of the Gilbertine | February 16 | 12th-century |
| + | St Theodulus and St Julian suffered at Caesarea in Palestine im- | February 16 | unknown |
| + | Bd Andrew of Anagni (ad. 1302) | February 17 | 14th-century |
| + | Bd Luke Belludi (c. ad. 1285) | February 17 | 13th-century |
| + | Bd Peter of Treia (ad. 1304) | February 17 | 14th-century |
| + | Bd Reginald of Orleans (ad. 1220) | February 17 | 13th-century |
| + | Bd William Richardson, Martyr (ad. 1603) | February 17 | 17th-century |
| + | St Evermod, Bishop of Ratzeburg (a.d. 1178) | February 17 | 12th-century |
| + | St Finan, Bishop of Lindisfarne (a.d. 661) | February 17 | 7th-century |
| + | St Fintan of Cloneenagh, Abbot (a.d. 603) | February 17 | 7th-century |
| + | St Loman, Bishop (c. a.d. 450 ?) | February 17 | 5th-century |
| + | St Silvin, Bishop (c. a.d. 720) | February 17 | 8th-century |
| + | St Simeon, Bishop and Martyr (c. a.d. 107) | February 17 | 2nd-century |
| + | Bd John Pibush, Martyr (a.d. 1601) | February 18 | 17th-century |
| + | Bd William Harrington, Martyr (a.d. 1594) | February 18 | 16th-century |
| + | St Angilbert, Abbot (a.d. 814) | February 18 | 9th-century |
| + | St Colman, Bishop of Lindisfarne (a.d. 676) | February 18 | 7th-century |
| + | St Flavian, Patriarch of Constantinople, Martyr (a.d. 449) | February 18 | 5th-century |
| + | St Helladius, Archbishop of Toledo (a.d. 633) | February 18 | 7th-century |
| + | St Theotonius (ad. 1166) | February 18 | 12th-century |
| + | Bd Alvarez of Cordova (c. a.d. 1430) | February 19 | 15th-century |
| + | St Barbatus, Bishop of Benevento (a.d. 682) | February 19 | 7th-century |
| + | St Beatus of Liebana (c. ad. 798) | February 19 | 8th-century |
| + | St Boniface, Bishop of Lausanne (a.d. 1260) | February 19 | 13th-century |
| + | St Conrad of Piacenza (ad. 1351) | February 19 | 14th-century |
| + | St Mesrop, Bishop (a.d. 441) | February 19 | 5th-century |
| + | Bd Elizabeth of Mantua, Virgin (a.d. 1468) | February 20 | 15th-century |
| + | St Eleutherius, Bishop of Tournai (a.d. 532) | February 20 | 6th-century |
| + | St Eucherius, Bishop of Orleans (a.d. 743) | February 20 | 8th-century |
| + | St Sadoth, Bishop of Seleucia-ctesiphon, Martyr (c. a.d. | February 20 | unknown |
| + | St Wulfric (a.d. 1154) | February 20 | 12th-century |
| + | Bd Noel Pinot, Martyr (a.d. 1794) | February 21 | 18th-century |
| + | Bd Pepin of Landen (a.d. 646) | February 21 | 7th-century |
| + | Bd Robert Southwell, Martyr (a.d. 1595) | February 21 | 16th-century |
| + | St George, Bishop of Amastris (c. a.d. 825) | February 21 | 9th-century |
| + | St Germ Anus of Granfel, Martyr (c. ad. 677) | February 21 | 7th-century |
| + | St Severian, Bishop of Scythopolis, Martyr (a.d. 453) | February 21 | 5th-century |
| + | St Baradates (c. a.d. 460) | February 22 | 5th-century |
| + | St Margaret of Cortona (a.d. 1297) | February 22 | 13th-century |
| + | St Peter Damian is one of those stern figures who seem specially raised | February 22 | unknown |
| + | St Peter Damian, Cardinal-bishop of Ostia, Doctor of the | February 22 | unknown |
| + | St Peter's Chair | February 22 | unknown |
| + | St Alexander Akimetes (c. a.d. 430) | February 23 | 5th-century |
| + | St Boisil, or Boswell, Abbot of Melrose (a.d. 664) | February 23 | 7th-century |
| + | St Dositheus (c. ad. 530) | February 23 | 6th-century |
| + | St Matthias, Apostle (first century) | February 23 | 1st-century |
| + | St Milburga, Abbess of Wenlock, Virgin (c. a.d. 700) | February 23 | 7th-century |
| + | St Serenus the Gardener, Martyr (ad. 302 ?) | February 23 | 4th-century |
| + | St Willigis, Archbishop of Mainz (a.d. ioii) | February 23 | unknown |
| + | St Praetextatus, or Prix, Bishop of Rouen, Martyr | February 24 | 6th-century |
| + | Bd Gonstantius of Fabriano (ad. 1481) | February 25 | 15th-century |
| + | Bd Robert of Arbrissel, Abbot (a.d. 1117) | February 25 | 12th-century |
| + | Bd Sebastian Aparicio (a.d. 1600) | February 25 | 16th-century |
| + | St Caesarius of Nazianzus (ad. 369) | February 25 | 4th-century |
| + | St Ethelbert of Kent (ad. 616) | February 25 | 7th-century |
| + | St Gerland, Bishop of Girgenti (a.d. iioo) | February 25 | unknown |
| + | St Tarasius, Patriarch of Constantinople (a.d. 806) | February 25 | 9th-century |
| + | St Walburga, Virgin (a.d. 779) | February 25 | 8th-century |
| + | Bd Isabel of France, Virgin (a.d. 1270) | February 26 | 13th-century |
| + | Bd Leo of Saint-bertin, Abbot (ad. 1163) | February 26 | 12th-century |
| + | St Alexander, Bishop of Alexandria (a.d. 328) | February 26 | 4th-century |
| + | St Gabriel Possenti (ad. 1862) | February 26 | 19th-century |
| + | St Nestor, Bishop of Magydus, Martyr (a.d. 251) | February 26 | 3rd-century |
| + | St Porphyry, Bishop of Gaza (a.d. 420) | February 26 | 5th-century |
| + | St Victor the Hermit (c. a.d. 610) | February 26 | 7th-century |
| + | Bd Mark Barkworth, Martyr (a.d. 1601) | February 27 | 17th-century |
| + | St Alnoth (c. a.d. 700) | February 27 | 7th-century |
| + | St Baldomerus, or Galmier (c. a.d. 660) | February 27 | 7th-century |
| + | St John of Gorze, Abbot (a.d. 974) | February 27 | 10th-century |
| + | St Leander, Bishop of Seville (a.d. 596) | February 27 | 6th-century |
| + | St Thalelaeus the Hermit {c. a.d. 450) | February 27 | 5th-century |
| + | Bd Angela of Foligno, Widow (ad. 1309) | February 28 | 14th-century |
| + | Bd Anne Line, Martyr (a.d. 1601) | February 28 | 17th-century |
| + | Bd Antonia of Florence, Widow (ad. 1472) | February 28 | 15th-century |
| + | Bd Hedwig of Poland, Matron (a.d. 1399) | February 28 | 14th-century |
| + | Bd Louisa Albertoni, Widow (a.d. 1533) | February 28 | 16th-century |
| + | Bd Villana of Florence, Matron (ad. 1360) | February 28 | 14th-century |
| + | St Hilarus, Pope '(a.d. 468) | February 28 | 5th-century |
| + | St Oswald of Worcester, Archbishop of York (a.d. | February 28 | unknown |
| + | St Proterius, Patriarch of Alexandria, Martyr (a.d. 457) | February 28 | 5th-century |
| + | St Ignatius, surnamed Theophorus or God-bearer, was probably a | February 31 | unknown |
| + | Bd Bonavita (a.d. 1375) | March 1 | 14th-century |
| + | Bd Christopher of Milan (a.d. 1484) | March 1 | 15th-century |
| + | Bd Peter Rene Roque, Martyr (a.d. 1796) | March 1 | 18th-century |
| + | Bd Roger le Fort, Archbishop of Bourges (a.d. 1367) | March 1 | 14th-century |
| + | St Albinus, or Aubin, Bishop of Angers (c. a.d. 550) | March 1 | 6th-century |
| + | St Chad, or Ceadda, Bishop of Lichfield (a.d. 672) | March 1 | 7th-century |
| + | St David, or Dewi, Bishop in Mynyw, Patron of Wales (a.d. | March 1 | unknown |
| + | St Felix Ii (iii), Pope (a.d. 492) | March 1 | 5th-century |
| + | St Gregory the Great in one of his Dialogues has preserved for us | March 1 | unknown |
| + | St Rudesind, or Rosendo, Bishop of Dumium (a.d. 977) | March 1 | 10th-century |
| + | St Swithbert, Bishop (a.d. 713) | March 1 | 8th-century |
| + | Bd Agnes of Bohemia, Virgin (ad. 1282) | March 2 | 13th-century |
| + | Bd Charles the Good, Martyr (a.d. 1127) | March 2 | 12th-century |
| + | Bd Fulco of Neuilly (a.d. 1201) | March 2 | 13th-century |
| + | Bd Henry Suso (a.d. 1365) | March 2 | 14th-century |
| + | Bd Jacopino of Canepaci (ad. 1508) | March 3 | 16th-century |
| + | Bd Serlo, Abbot of Gloucester (a.d. 1104) | March 3 | 12th-century |
| + | Bd Teresa Verzeri, Virgin, Foundress of the Daughters of | March 3 | 19th-century |
| + | St Aelred, Abbot of Rievaulx (a.d. 1167) | March 3 | 12th-century |
| + | St Anselm of Nonantola, Abbot (a.d. 803) | March 3 | 9th-century |
| + | St Arthelais, Virgin (c. a.d. 560 ?) | March 3 | 6th-century |
| + | St Cunegund, Widow (a.d. 1033) | March 3 | 11th-century |
| + | St Gervinus, Abbot (a.d. 1075) | March 3 | 11th-century |
| + | St Non, or Nonnita (sixth century) | March 3 | 6th-century |
| + | St Winwaloe, or Guenole, Abbot (sixth century) | March 3 | 6th-century |
| + | Bd Christopher Bales, Martyr (a.d. 1590) | March 4 | 16th-century |
| + | Bd Humbert Iii of Savoy (ad. 1188) | March 4 | 12th-century |
| + | Bd Placida Viel, Virgin (a.d. 1877) | March 4 | 19th-century |
| + | St Casimir, to whom the Poles gave the title of " the Peace-maker ", was | March 4 | unknown |
| + | St Lucius I, Pope (a.d. 254) | March 4 | 3rd-century |
| + | St Peter of Cava, Bishop of Policastro (a.d. 1123) | March 4 | 12th-century |
| + | St Eusebius of Cremona (c. ad. 423) | March 5 | 5th-century |
| + | St Gerasimus, Abbot (a.d. 475) | March 5 | 5th-century |
| + | St John Joseph of the Cross (ad. 1734) | March 5 | 18th-century |
| + | St Kieran, or Ciaran, of Saighir, Bishop in Ossory | March 5 | 6th-century |
| + | St Piran, Abbot (sixth Century ?.) | March 5 | 6th-century |
| + | St Virgil, Archbishop of Arles (c. a.d. 610) | March 5 | 7th-century |
| + | Bd Jordan of Pisa (ad. 131 i) | March 6 | 2nd-century |
| + | St Cadroe, or Cadroel, Abbot (a.d. 976) | March 6 | 10th-century |
| + | St Chrodegang, Bishop of Metz (a.d. 766) | March 6 | 8th-century |
| + | St Colette, Virgin (a.d. 1447) | March 6 | 15th-century |
| + | St Cyril of Constantinople (c. ad. 1235 ?) | March 6 | 13th-century |
| + | St Fridolin, Abbot (sixth Century ?) | March 6 | 6th-century |
| + | St Ollegarius, or Oldegar, Archbishop of Tarragona (a.d. | March 6 | unknown |
| + | St Thomas Aquinas, Doctor of the Church (a.d. 1274) | March 6 | 13th-century |
| + | St Ardo (a.d. 843) | March 7 | 9th-century |
| + | St Drausius, or Drausin, Bishop of Soissons (c. a.d. 674) | March 7 | 7th-century |
| + | St Esterwine, Abbot (a.d. 686) | March 7 | 7th-century |
| + | St John of God, Founder of the Brothers Hospitallers (a.d. | March 7 | unknown |
| + | St Paul the Simple (c. a.d. 339) | March 7 | 4th-century |
| + | St Theophylact, Bishop of Nicomedia (a.d. 845) | March 7 | 9th-century |
| + | Bd Vincent, Bishop of Cracow (a.d. 1223) | March 8 | 13th-century |
| + | St Duthac, Bishop of Ross (c. a.d. 1065) | March 8 | 11th-century |
| + | St Felix of Dunwich, Bishop of the East Angles (a.d. 648) | March 8 | 7th-century |
| + | St Frances of Rome, Widow (a.d. 1440) | March 8 | 15th-century |
| + | St Humphrey, or Hunfrid, Bishop of Therouanne (a.d. 871) | March 8 | 9th-century |
| + | St Julian, Archbishop of Toledo (a.d. 690) | March 8 | 7th-century |
| + | St Pontius (c. a.d. 260) | March 8 | 3rd-century |
| + | St Senan, Bishop (a.d. 560) | March 8 | 6th-century |
| + | St Stephen of Obazine, Abbot (a.d. 1154) | March 8 | 12th-century |
| + | St Veremund, Abbot (a.d. 1092) | March 8 | 11th-century |
| + | St Bosa, Bishop of York (a.d. 705) | March 9 | 8th-century |
| + | St Catherine of Bologna, Virgin (a.d. 1463) | March 9 | 15th-century |
| + | St Dominic Savio (a.d. 1857) | March 9 | 19th-century |
| + | St Gregory, Bishop of Nyssa (c. a.d. 395) | March 9 | 4th-century |
| + | St Pacian, Bishop of Barcelona (c. a.d. 390) | March 9 | 4th-century |
| + | Bd Andrew of Strumi, Abbot (ad. 1097) | March 10 | 11th-century |
| + | Bd Christopher Macassoli (a.d. 1485) | March 10 | 15th-century |
| + | Bd John Baptist of Fabriano (ad. 1539) | March 10 | 16th-century |
| + | Bd John of Vallombrosa (c. ad. 1380) | March 10 | 14th-century |
| + | Bd John Ogilvie, Martyr (ad. 1615) | March 10 | 17th-century |
| + | Bd Peter Geremia (a.d. 1452) | March 10 | 15th-century |
| + | St Anastasia Patricia, Virgin (no date) | March 10 | unknown |
| + | St Attalas \manh 10 | March 10 | unknown |
| + | St Attalas, Abbot (a.d. 627) | March 10 | 7th-century |
| + | St Aurea, Virgin (c. a.d. iioo) | March 10 | unknown |
| + | St Benedict, Archbishop of Milan (a.d. 725) | March 10 | 8th-century |
| + | St Constantine, Martyr (sixth century) | March 10 | 6th-century |
| + | St Droctoveus, or Drotte, Abbot (c. a.d. 580) | March 10 | 6th-century |
| + | St Eulogius of Cordova, Martyr (ad. 859) | March 10 | 9th-century |
| + | St Himelin (c. ad. 750) | March 10 | 8th-century |
| + | St Kessog, Bishop and Martyr (sixth century) | March 10 | 6th-century |
| + | St Macarius, Bishop of Jerusalem (c. a.d. 335) | March 10 | 4th-century |
| + | St Oengus, Abbot-bishop (c. a.d. 824) | March 10 | 9th-century |
| + | St Simplicius, Pope (a.d. 483) | March 10 | 5th-century |
| + | St Sophronius, Patriarch of Jerusalem (c. a.d. 638) | March 10 | 7th-century |
| + | St Teresa Margaret Redi, Virgin (ad. 1770) | March 10 | 18th-century |
| + | St Vindician, Bishop of Cambrai (a.d. 712) | March 10 | 8th-century |
| + | Bd Nicholas Owen, Martyr (ad. 1606) | March 12 | 17th-century |
| + | St Alphege, Bishop of Winchester (a.d. 951) | March 12 | 10th-century |
| + | St Bernard of Capua, Bishop of Caleno (a.d. 1109) | March 12 | 12th-century |
| + | St Euphrasia, or Eupraxia, Virgin (c ad. 420) | March 12 | 5th-century |
| + | St Fina, or Seraphina, Virgin (a.d. 1253) | March 12 | 13th-century |
| + | St Gregory the Great, Pope, Doctor of the Church | March 12 | 7th-century |
| + | St Maximilian, Martyr (a.d. 295) | March 12 | 3rd-century |
| + | St Paul Aurelian, Bishop of Leon (c. a.d. 573) | March 12 | 6th-century |
| + | St Theophanes the Chronicler, Abbot (ad. 817) | March 12 | 9th-century |
| + | Bd Agnello of Pisa (ad. 1236) | March 13 | 13th-century |
| + | St Ansovinus, Bishop of Camerino (a.d. 840) | March 13 | 9th-century |
| + | St Eutychius, or Eustathius, Martyr (a.d. 741) | March 13 | 8th-century |
| + | St Gerald of Mayo, Abbot (ad. 732) | March 13 | 8th-century |
| + | St Gerald of Mayo, Abbot (ad. 732) | March 13 | 8th-century |
| + | St Heldrad, Abbot (c. a.d. 842) | March 13 | 9th-century |
| + | St Leobinus, or Lubin, Bishop of Chartres (c a.d. 558) | March 13 | 6th-century |
| + | St Mochoemoc, Abbot (seventh century) | March 13 | 7th-century |
| + | St Nicephorus, Patriarch of Constantinople (a.d. 828) | March 13 | 9th-century |
| + | St Nicephorus, Patriarch of Constantinople (a.d. 828) | March 13 | 9th-century |
| + | St Matilda, Widow (a.d. 968) | March 14 | 10th-century |
| + | Bd James, Archbishop of Naples (a.d. 1308) | March 15 | 14th-century |
| + | Bd William Hart, Martyr (a.d. 1583) | March 15 | 16th-century |
| + | St Clement Hofbauer (ad. 1820) | March 15 | 19th-century |
| + | St Leocritia, or Lucretia, Virgin and Martyr (a.d. 859) | March 15 | 9th-century |
| + | St Longinus, Martyr (first century) | March 15 | 1st-century |
| + | St Louisa de Marillac, Widow, Co-foundress of the | March 15 | 17th-century |
| + | St Matrona, Virgin and Martyr (date unknown) | March 15 | unknown |
| + | St Zachary, Pope (a.d. 752) | March 15 | 8th-century |
| + | Bd John, Bishop of Vicenza, Martyr (a.d. 1183) | March 16 | 12th-century |
| + | Bd Torello (a.d. 1282) | March 16 | 13th-century |
| + | St Abraham Kidunaia (sixth century) | March 16 | 6th-century |
| + | St Eusebia, Abbess (c. a.d. 680) | March 16 | 7th-century |
| + | St Finnian Lobhar, Abbot (c. a.d. 560 ?) | March 16 | 6th-century |
| + | St Gregory Makar, Bishop of Nicopolis (c. a.d. ioio) | March 16 | unknown |
| + | St Heribert, Archbishop of Cologne (a.d. 1021) | March 16 | 11th-century |
| + | St Julian of Antioch, Martyr (date unknown) | March 16 | unknown |
| + | Bd John Sarkander, Martyr (a.d. 1620) | March 17 | 17th-century |
| + | St Agricola, Bishop of Chalon-sur-saone (a.d. 580) | March 17 | 6th-century |
| + | St Cyril, Archbishop of Jerusalem, Doctor of the Church (a.d. | March 17 | unknown |
| + | St Gertrude of Nivelles, Virgin (ad. 659) | March 17 | 7th-century |
| + | St Joseph of Arimathea (first century) | March 17 | 1st-century |
| + | St Patrick \m»<h 17 | March 17 | unknown |
| + | St Patrick, Archbishop of Armagh, Apostle of Ireland (a.d. | March 17 | unknown |
| + | St Paul of Cyprus (c. ad. 760) | March 17 | 8th-century |
| + | Bd Christian, Abbot of Mellifont (a.d. 1186) | March 18 | 12th-century |
| + | St Alexander, Bishop of Jerusalem, Martyr (a.d. 251) | March 18 | 3rd-century |
| + | St Anselm, Bishop of Lucca (a.d. 1086) | March 18 | 11th-century |
| + | St Edward the Martyr (a.d. 979) | March 18 | 10th-century |
| + | St Frigidian, or Frediano, Bishop of Lucca (a.d. 588 ?) | March 18 | 6th-century |
| + | St Joseph, Husband of Our Lady St Mary (first century) | March 18 | 1st-century |
| + | St Salvator of Horta (a.d. 1567) | March 18 | 16th-century |
| + | Bd Andrew of Siena (a.d. 125 i) | March 19 | 2nd-century |
| + | St Alcmund, Martyr (c. a.d. 800) | March 19 | 8th-century |
| + | St John of Panaca, Abbot (sixth century) | March 19 | 6th-century |
| + | Bd Ambrose of Siena (ad. 1286) | March 20 | 13th-century |
| + | Bd Baptist of Mantua (ad. 15 16) | March 20 | unknown |
| + | Bd John of Parma (ad. 1289) | March 20 | 13th-century |
| + | Bd Mark of Montegallo (ad. 1497) | March 20 | 15th-century |
| + | Bd Maurice of Hungary (ad. 1336) | March 20 | 14th-century |
| + | St Cuthbert, Brsnop of Lindisfarne (a.d. 687) | March 20 | 7th-century |
| + | St Herbert (ad. 687) | March 20 | 7th-century |
| + | St Martin, Archbishop of Braga (a.d. 579) | March 20 | 6th-century |
| + | St Wulfram, Archbishop of Sens (a.d. 703 ?) | March 20 | 8th-century |
| + | Bd Hippolytus Galantini (ad. 1619) | March 21 | 17th-century |
| + | Bd Santuccia, Matron (a.d. 1305) | March 21 | 14th-century |
| + | St Benedict, Abbot, Patriarch of Western Monks (c. a.d. | March 21 | unknown |
| + | St Enda, Abbot, and St Fanchea, Virgin (c. a.d. 530) | March 21 | 6th-century |
| + | St Paul of Narbonne (c. a.d. 290) | March 21 | 3rd-century |
| + | St Serapion, Bishop of Thmuis (c. a.d. 370) | March 21 | 4th-century |
| + | Bd Hugolino of Cortona {c. ad. 1470) | March 22 | 15th-century |
| + | Bd Isnardo of Chiampo (ad. 1244) | March 22 | 13th-century |
| + | St Basil of Ancyra, Martyr (a.d. 362) | March 22 | 4th-century |
| + | St Benvenuto, Bishop of Osimo (a.d. 1282) | March 22 | 13th-century |
| + | St Deogratias, Bishop of Carthage (a.d. 457) | March 22 | 5th-century |
| + | St Nicholas von Flue (a.d. 1487) | March 22 | 15th-century |
| + | Bd Peter of Gubbio (c. ad. 1250 ?) | March 23 | 13th-century |
| + | Bd Sibyllina of Pavia, Virgin (ad. 1367) | March 23 | 14th-century |
| + | St Benedict the Hermit (c. a.d. 550) | March 23 | 6th-century |
| + | St Ethelwald the Hermit (a.d. 699) | March 23 | 7th-century |
| + | St Gabriel the Archangel | March 23 | unknown |
| + | St Joseph Oriol (ad. 1702) | March 23 | 18th-century |
| + | Bd Didagus, or Diego, of Cadiz (a.d. 1801) | March 24 | 19th-century |
| + | St Aldemar, Abbot (c. a.d. 1080) | March 24 | 11th-century |
| + | St Catherine of Vadstena, Virgin (a.d. 1381) | March 24 | 14th-century |
| + | St Irenaeus, Bishop of Sirmium, Martyr (a.d, 304) | March 24 | 4th-century |
| + | Bd James Bird, Martyr (ad. 1593) | March 25 | 16th-century |
| + | Bd Margaret Clitherow, Martyr (a.d. 1586) | March 25 | 16th-century |
| + | Bd Thomasius (a.d. 1337) | March 25 | 14th-century |
| + | St Alfwold, Bishop of Sherborne (c. a.d. 1058) | March 25 | 11th-century |
| + | St Barontius (c. a.d. 695 ?) | March 25 | 7th-century |
| + | St Hermenland, Abbot (c. a.d. 720) | March 25 | 8th-century |
| + | St Lucy Filippini, Virgin (a.d. 1732) | March 25 | 18th-century |
| + | St Basil the Younger (ad. 952) | March 26 | 10th-century |
| + | St Braulio, Bishop of Saragossa (a.d. 651) | March 26 | 7th-century |
| + | St Castulus, Martyr (a.d. 286) | March 26 | 3rd-century |
| + | St Felix, Bishop of Trier (c. a.d. 400) | March 26 | 4th-century |
| + | St John of Damascus, the last of the Greek fathers and the first of | March 26 | unknown |
| + | St Ludger, Bishop of Munster (a.d. 809) | March 26 | 9th-century |
| + | St Macartan, Bishop (c. a.d. 505) | March 26 | 6th-century |
| + | St John of Capistrano (ad. 1456) | March 27 | 15th-century |
| + | St John of Egypt (ad. 394) | March 27 | 4th-century |
| + | St Guntramnus (a.d. 592) | March 28 | 6th-century |
| + | Bd Diemoda, or Diemut, Virgin (c. ad. 113c) | March 29 | 2nd-century |
| + | St Berthold (c. a.d. 1195) | March 29 | 12th-century |
| + | St Rupert, Bishop of Salzburg (c. a.d. 710) | March 29 | 8th-century |
| + | St Tutilo (c. a.d. 915) | March 29 | 10th-century |
| + | Bd Amadeus Ix of Savoy (a.d. 1472) | March 30 | 15th-century |
| + | Bd Dodo (a.d. 123 1) | March 30 | 2nd-century |
| + | St Balbina, Virgin (date unknown) | March 30 | unknown |
| + | St John Climacus, Abbot (c. a.d. 649) | March 30 | 7th-century |
| + | St Ludolf, Bishop of Ratzeburg (a.d. 1250) | March 30 | 13th-century |
| + | St Osburga, Abbess of Coventry, Virgin (c. a.d. 1016) | March 30 | 11th-century |
| + | St Rieul is the patron of the city and diocese of Senlis, of which he is said | March 30 | 3rd-century |
| + | St Zosimus, Bishop of Syracuse (c a.d. 660) | March 30 | 7th-century |
| + | Bd Bonaventure of Forli (a.d. 1491) | March 31 | 15th-century |
| + | Bd Joan of Toulouse, Virgin (fourteenth century) | March 31 | 14th-century |
| + | St Acacius, or Achatius, Bishop (third century) | March 31 | 3rd-century |
| + | St Benjamin, Martyr (c. a.d. 421) | March 31 | 5th-century |
| + | St Guy of Pomposa, Abbot (a.d. 1046) | March 31 | 11th-century |
| + | Bd Ludovic Pavoni, Founder of the Sons of Mary Immaculate | April 1 | 19th-century |
| + | St Catherine of Palm A, Virgin (ad. 1574) | April 1 | 16th-century |
| + | St Francis of Paola, Founder of the Minim Friars | April 1 | 16th-century |
| + | St Francis was born about the year 1416 at Paola, a small town in Calabria. | April 1 | 15th-century |
| + | St Gilbert, Bishop of Caithness (a.d. 1245) | April 1 | 13th-century |
| + | St Hugh of Bonnevaux, Abbot (a.d. 1194) | April 1 | 12th-century |
| + | St Hugh, Bishop of Grenoble (a.d. 1132) | April 1 | 12th-century |
| + | St Macarius the Wonder-worker (c. ad. 830) | April 1 | 9th-century |
| + | St Melito, Bishop of Sardis (c. a.d. 180 ?) | April 1 | 2nd-century |
| + | St Walaricus, or Valfcry, Abbot (c. a.d. 620) | April 1 | 7th-century |
| + | Bd John Payne, Martyr (a.d. 1582) | April 2 | 16th-century |
| + | Bd Leopold of Gaiche (ad. 1815) | April 2 | 19th-century |
| + | St Mary of Egypt (fifth Century ?) | April 2 | 5th-century |
| + | St Nicetius, or Nizier, Bishop of Lyons (a.d. 573) | April 2 | 6th-century |
| + | Bd Gandulf of Binasco (a.d. 1260) | April 3 | 13th-century |
| + | Bd John of Penna (a.d. 127 i) | April 3 | 2nd-century |
| + | St Burgundofara, or Fare, Virgin (ad. 657) | April 3 | 7th-century |
| + | St Nicetas, Abbot (a.d. 824) | April 3 | 9th-century |
| + | St Pancras, Bishop of Taormina, Martyr (r. a.d. 90 ?) | April 3 | unknown |
| + | St Richard of Wyche, Bishop of Chichester (a.d. 1253) | April 3 | 13th-century |
| + | St Sixtus, or Xystus, I, Pope and Martyr (c. a.d. 127) | April 3 | 2nd-century |
| + | Bd Peter, Bishop of Poitiers (a.d. 1115) | April 4 | 12th-century |
| + | St Benedict the Black (ad. 1589) | April 4 | 16th-century |
| + | St Isidore, Bishop of Seville, Doctor of the Church (a.d. 636) | April 4 | 7th-century |
| + | St Plato, Abbot (a.d. 814) | April 4 | 9th-century |
| + | St Tigernach, Bishop (a.d. 549) | April 4 | 6th-century |
| + | St Vincent Ferrer (ad. 1419) | April 4 | 15th-century |
| + | Bd Gresgentia of Kaufbeuren, Virgin (a.d. 1744) | April 5 | 18th-century |
| + | Bd Juliana of Mount Cornillon, Virgin (ad. 1258) | April 5 | 13th-century |
| + | St Albert, Bishop of Montecorvino (a.d. 1127) | April 5 | 12th-century |
| + | St Derfel Gadarn (sixth Century ?) | April 5 | 6th-century |
| + | St Ethelburga, Abbess of Lyminge, Matron (c. a.d. 647) | April 5 | 7th-century |
| + | St Gerald of Sauve-majeure, Abbot (a.d. 1095) | April 5 | 11th-century |
| + | Bd Catherine of Pallanza, Virgin (a.d. 1478) | April 6 | 15th-century |
| + | Bd Notker Balbulus (a.d. 912) | April 6 | 10th-century |
| + | St Aphraates (c. a.d. 345) | April 6 | 4th-century |
| + | St Celestine I, Pope (a.d. 432) | April 6 | 5th-century |
| + | St Eutychius, Patriarch of Constantinople (a.d. 582) | April 6 | 6th-century |
| + | St Hegesippus (c. a.d. 180) | April 6 | 2nd-century |
| + | St Margellinus, Martyr (a.d. 413) | April 6 | 5th-century |
| + | St Prudentius, Bishop of Troyes (a.d. 861) | April 6 | 9th-century |
| + | St William of Eskill, Abbot (a.d. 1203) | April 6 | 13th-century |
| + | Bd Herman Joseph (ad. 1241) | April 7 | 13th-century |
| + | Bd Ursulina, Virgin (a.d. 1410) | April 7 | 15th-century |
| + | Bd William of Scicli (ad. 141 i) | April 7 | 2nd-century |
| + | St Aybert (a.d. 1140) | April 7 | 12th-century |
| + | St Celsus, or Ceallach, Archbishop of Armagh (a.d. 1129) | April 7 | 12th-century |
| + | St George the Younger, Bishop of Mitylene (c. a.d. 816) | April 7 | 9th-century |
| + | Bd Clement of Osimo (ad. 1291) | April 8 | 13th-century |
| + | Bd Julia Billiart, Virgin, Co-foundress of the Institute of | April 8 | 19th-century |
| + | Bd Julian of St Augustine (a.d. 1606) | April 8 | 17th-century |
| + | St Dionysius, bishop of Corinth, flourished in the reign of the Emperor | April 8 | 2nd-century |
| + | St Perpetuus, Bishop of Tours (c. a.d. 494) | April 8 | 5th-century |
| + | St Walter of Pontoise, Abbot (a.d. 1095) | April 8 | 11th-century |
| + | Bd Antony Pavoni, Martyr (ad. 1374) | April 9 | 14th-century |
| + | Bd Thomas of Tolentino, Martyr (a.d. 1321) | April 9 | 14th-century |
| + | Bd Ubald of Florence (ad. 13 15) | April 9 | unknown |
| + | St Bademus, Abbot (a.d. 376) | April 9 | 4th-century |
| + | St Gaucherius, Abbot (a.d. 1140) | April 9 | 12th-century |
| + | St Hugh, Bishop of Rouen (a.d. 730) | April 9 | 8th-century |
| + | St Mary of Cleophas, Matron (first century) | April 9 | 1st-century |
| + | St Waldetrudis, or Waudru, Widow (c. ad. 688) | April 9 | 7th-century |
| + | Bd Antony Neyrot, Martyr (a.d. 1460) | April 10 | 15th-century |
| + | Bd George Gervase, Martyr (a.d. 1608) | April 10 | 17th-century |
| + | Bd Mark Fantucci (a.d. 1479) | April 10 | 15th-century |
| + | Bd Rainerius Inclusus (ad. 1237) | April 10 | 13th-century |
| + | Bd Waltman, Abbot (a.d. 1138) | April 10 | 12th-century |
| + | St Barsanuphius (c. ad. 550) | April 10 | 6th-century |
| + | St Fulbert, Bishop of Chartres (a.d. 1029) | April 10 | 11th-century |
| + | St Gemma Galgani, Virgin (a.d. 1903) | April 10 | 20th-century |
| + | St Godeberta, Virgin (c. a.d. 700) | April 10 | 7th-century |
| + | St Guthlac (ad. 714) | April 10 | 8th-century |
| + | St Isaac of Spoleto {c. ad. 550) | April 10 | 6th-century |
| + | St Leo the Great \ April n | April 10 | unknown |
| + | St Leo the Great, Pope and Doctor of the Church (a.d. | April 10 | unknown |
| + | St Macarius, or Macaire, of Ghent (a.d. 1012) | April 10 | 11th-century |
| + | St Michael de Sanctis (ad. 1625) | April 10 | 17th-century |
| + | St Paternus of Abdinghof (ad. 1058) | April 10 | 11th-century |
| + | Bd Andrew of Montereale (a.d. 1480) | April 12 | 15th-century |
| + | Bd Angelo of Chivasso (ad. 1495) | April 12 | 15th-century |
| + | St Julius I, Pope (a.d. 352) | April 12 | 4th-century |
| + | St Sabas the Goth, Martyr (a.d. 372) | April 12 | 4th-century |
| + | St Zeno, Bishop of Verona (a.d. 371) | April 12 | 4th-century |
| + | Bd Ida of Boulogne, Widow (a.d. 1113) | April 13 | 12th-century |
| + | Bd Ida of Louvain, Virgin (a.d. 1300 ?) | April 13 | 13th-century |
| + | Bd James of Certaldo, Abbot (a.d. 1292) | April 13 | 13th-century |
| + | Bd Margaret of Citta-di-castello, Virgin (a.d. | April 13 | unknown |
| + | St Hermenegild, Martyr (a.d. 585) | April 13 | 6th-century |
| + | St Martius, or Mars, Abbot (c. a.d. 530) | April 13 | 6th-century |
| + | Bd Lanvinus (a.d. 1120) | April 14 | 12th-century |
| + | Bd Lydwina of Schiedam, Virgin (a.d. 1433) | April 14 | 15th-century |
| + | Bd Peter Gonzalez (a.d. 1246) | April 14 | 13th-century |
| + | St Ardalion, Martyr (c. a.d. 300) | April 14 | 3rd-century |
| + | St Benezet (a.d. 1 184) | April 14 | 2nd-century |
| + | St Bernard of Tiron, Abbot (ad. 1117) | April 14 | 12th-century |
| + | St Caradoc (a.d. 1124) | April 14 | 12th-century |
| + | St Justin Martyr (c. ad. 165) | April 14 | 2nd-century |
| + | St Lambert, Archbishop of Lyons (a.d. 688) | April 14 | 7th-century |
| + | Bd Archangelo of Bologna (a.d. 15 13) | April 15 | unknown |
| + | Bd Joachim of Siena (ad. 1305) | April 15 | 14th-century |
| + | Bd William of Polizzi (c. a.d. 13 17) | April 15 | unknown |
| + | St Benedict Joseph Labre (a.d. 1783) | April 15 | 18th-century |
| + | St Bernadette, Virgin (a.d. 1879) | April 15 | 19th-century |
| + | St Contardo (a.d. 1249) | April 15 | 13th-century |
| + | St Drogo, or Druon (a.d. 1189) | April 15 | 12th-century |
| + | St Frugtuosus, Archbishop of Braga (a.d. 665) | April 15 | 7th-century |
| + | St Hunna, Matron (c. a.d. 679) | April 15 | 7th-century |
| + | St Magnus of Orkney, Martyr (a.d. 1116) | April 15 | 12th-century |
| + | St Padarn, or Patern, Bishop in Ceredigion (fifth- | April 15 | 6th-century |
| + | St Paternus, or Pair, Bishop of Avranches (a.d. 564) | April 15 | 6th-century |
| + | St Ruadan of Lothra, Abbot {c. a.d. 584) | April 15 | 6th-century |
| + | St Turibius, Bishop of Astorga (c. a.d. 450) | April 15 | 5th-century |
| + | Bd Clare of Pisa, Widow (a.d. 1419) | April 17 | 15th-century |
| + | Bd Eberhard of Marchthal, Abbot (a.d. 1178) | April 17 | 12th-century |
| + | Bd James of Cerqueto (a.d. 1367) | April 17 | 14th-century |
| + | St Anicetus was raised to the chair of St Peter in the latter part of the | April 17 | unknown |
| + | St Apollonius the Apologist, Martyr (c. a.d. 185) | April 17 | 2nd-century |
| + | St Innocent, Bishop of Tortona (c. a.d. 350) | April 17 | 4th-century |
| + | St Robert of Chaise-dieu, Abbot (a.d. 1067) | April 17 | 11th-century |
| + | St Stephen Harding, Abbot of Citeaux, Co-founder of the | April 17 | 12th-century |
| + | Bd Andrew Hibernon (ad. 1602) | April 18 | 17th-century |
| + | Bd James of Lodi (ad. 1404) | April 18 | 15th-century |
| + | Bd Mary of the Incarnation, Widow (ad. 1618) | April 18 | 17th-century |
| + | St Galdinus, Archbishop of Milan and Cardinal (a.d. 1176) | April 18 | 12th-century |
| + | St Idesbald, Abbot (a.d. 1167) | April 18 | 12th-century |
| + | St Laserian, Laisren or Molaisse, Bishop of Leighlin | April 18 | 7th-century |
| + | Bd Bernard the Penitent (ad. 1182) | April 19 | 12th-century |
| + | Bd Conrad of Ascoli (ad. 1289) | April 19 | 13th-century |
| + | Bd James Duckett, Martyr (ad. 1602) | April 19 | 17th-century |
| + | St Alphege, Archbishop of Canterbury, Martyr (a.d. 1012) | April 19 | 11th-century |
| + | St Expeditus (no date) | April 19 | unknown |
| + | St Geroldus (a.d. 978) | April 19 | 10th-century |
| + | St Leo Ix, Pope (a.d. 1054) | April 19 | 11th-century |
| + | St Marcellinus, venerated as the first bishop of Embrun, was an | April 19 | unknown |
| + | St Ursmar, Abbot and Bishop (a.d. 713) | April 19 | 8th-century |
| + | Bd Hugh of Anzy (c. a.d. 930) | April 20 | 10th-century |
| + | Bd Simon of Todi (a.d. 1322) | April 20 | 14th-century |
| + | St Agnes of Montepulciano, Virgin (a.d. 13 17) | April 20 | unknown |
| + | St Caedwalla (a.d. 689) | April 20 | 7th-century |
| + | St Hildegund, Virgin (a.d. 1188) | April 20 | 12th-century |
| + | St Marcian, or Marian (r. a.d. 488) | April 20 | 5th-century |
| + | St Anastasius I, Patriarch of Antioch (a.d. 599) | April 21 | 6th-century |
| + | St Anselm, Archbishop of Canterbury and Doctor of the | April 21 | 12th-century |
| + | St Beuno, Abbot (c. a.d. 640) | April 21 | 7th-century |
| + | St Conrad of Parzham (a.d. 1894) | April 21 | 19th-century |
| + | St Malrubius, or Maelrubha, Abbot (a.d. 722) | April 21 | 8th-century |
| + | Bd Francis of Fabriano (r. a.d. 1322) | April 22 | 14th-century |
| + | Bd Wolfhelm, Abbot (a.d. 1091) | April 22 | 11th-century |
| + | St Agapitus I, Pope (a.d. 536) | April 22 | 6th-century |
| + | St Leonides, Martyr (a.d. 202) | April 22 | 3rd-century |
| + | St Opportuna, Virgin and Abbess (c. a.d. 770) | April 22 | 8th-century |
| + | St Soter was raised to the papacy upon the death of St Anicetus. Euse- | April 22 | unknown |
| + | St Theodore of Sykeon, Bishop of Anastasiopolis (a.d. | April 22 | unknown |
| + | Bd Bartholomew of Cervere, Martyr (a.d. 1466) | April 23 | 15th-century |
| + | Bd Giles of Assisi (ad. 1262) | April 23 | 13th-century |
| + | Bd Helen of Udine, Widow (a.d. 1458) | April 23 | 15th-century |
| + | St Adalbert, Bishop of Prague, Martyr (a.d. 997) | April 23 | 10th-century |
| + | St George, Martyr, Protector of the Kingdom of England | April 23 | 4th-century |
| + | St Gerard, Bishop of Toul (a.d. 994) | April 23 | 10th-century |
| + | St Ibar, Bishop of Beggery (fifth century) | April 23 | 5th-century |
| + | St Egbert, Bishop (a.d. 729) | April 24 | 8th-century |
| + | St Fidelis of Sigmaringen, Martyr (ad. 1622) | April 24 | 17th-century |
| + | St Ivo, Bishop (no date) | April 24 | unknown |
| + | St Mary Euphrasia Pelletier, Virgin, Foundress of the | April 24 | 19th-century |
| + | St Mellitus, Archbishop of Canterbury (a.d. 624) | April 24 | 7th-century |
| + | St William Firmatus (c. a.d. 1090) | April 24 | 11th-century |
| + | St Anianus, Bishop of Alexandria (first century) | April 25 | 1st-century |
| + | St Heribald, Bishop of Auxerre (c. a.d. 857) | April 25 | 9th-century |
| + | St Mark, Evangelist (c. a.d. 74) | April 25 | unknown |
| + | Bd Alda, or Aldobrandesca, Widow (a.d. 1309) | April 26 | 14th-century |
| + | Bd John I, Bishop of Valence (a.d. 1146) | April 26 | 12th-century |
| + | St Franca of Piacenza, Virgin and Abbess (a.d. 1218) | April 26 | 13th-century |
| + | St Paschasius Radbertus, Abbot (c. a.d. 860) | April 26 | 9th-century |
| + | St Peter, Bishop of Braga (c. a.d. 350 ?) | April 26 | 4th-century |
| + | St Richarius, or Riquier, Abbot {c. a.d. 645) | April 26 | 7th-century |
| + | St Stephen, Bishop of Perm (a.d. 1396) | April 26 | 14th-century |
| + | Bd Antony of Siena (a.d. 13 11) | April 27 | unknown |
| + | Bd James of Bitetto (c. a.d. 1485) | April 27 | 15th-century |
| + | Bd Osanna of Cattaro, Virgin (ad. 1565) | April 27 | 16th-century |
| + | Bd Peter Armengol (a.d. 1304) | April 27 | 14th-century |
| + | St Anthimus, Bishop of Nicomedia (a.d. 303) | April 27 | 4th-century |
| + | St Asicus, or Tassach, Bishop of Elphin (c. a.d. 470) | April 27 | 5th-century |
| + | St Floribert, Bishop of Liege (a.d. 746) | April 27 | 8th-century |
| + | St Maughold, or Maccul, Bishop of Man (c. a.d. 498) | April 27 | 5th-century |
| + | St Peter Canisius has been called the Second Apostle of Germany— | April 27 | unknown |
| + | St Stephen Pechersky, Bishop of Vladimir (a.d. 1094) | April 27 | 11th-century |
| + | St Turibius, Archbishop of Lima (a.d. 1606) | April 27 | 17th-century |
| + | St Zita, Virgin (a.d. 1278) | April 27 | 13th-century |
| + | Bd Luchesio (ad. 1260) | April 28 | 13th-century |
| + | St Cronan of Roscrea, Abbot (c. a.d. 626) | April 28 | 7th-century |
| + | St Cyril, Bishop of Turov (a.d. 1182) | April 28 | 12th-century |
| + | St Pamphilus, Bishop of Sulmona (c. a.d. 700) | April 28 | 7th-century |
| + | St Paul of the Cross, Founder of the Barefooted Clerks | April 28 | 18th-century |
| + | St Pollio, Martyr (a.d. 304) | April 28 | 4th-century |
| + | St Hugh the Great, Abbot of Cluny (a.d. 1109) | April 29 | 12th-century |
| + | St Joseph Cottolengo, Founder of the Societies of the | April 29 | 19th-century |
| + | St Peter Martyr was born at Verona in 1205 of parents who belonged to | April 29 | 13th-century |
| + | St Peter Mary Chanel, Martyr (ad. 1841) | April 29 | 19th-century |
| + | St Robert of Molesmes, Abbot (a.d. iiio) | April 29 | unknown |
| + | St Wilfrid the Younger, Bishop of York (r. ad. 744) | April 29 | 8th-century |
| + | Bd Benedict of Urbino (a.d. 1625) | April 30 | 17th-century |
| + | Bd Hildegard, Matron (a.d. 783) | April 30 | 8th-century |
| + | St Catherine was born in Siena on the feast of the Annunciation 1347, | April 30 | 14th-century |
| + | St Eutropius, Bishop of Saintes, Martyr (third century) | April 30 | 3rd-century |
| + | St Forannan, Abbot (a.d. 982) | April 30 | 10th-century |
| + | St Gualfardus or Wolfhard (a.d. 1127) | April 30 | 12th-century |
| + | St Maximus, Martyr (a.d. 250) | April 30 | 3rd-century |
| + | St Amator, or Amatre, Bishop of Auxerre (a.d. 418) | May 1 | 5th-century |
| + | St Brieuc, or Briocus, Abbot (sixth century) | May 1 | 6th-century |
| + | St Marculf, or Marcoul, Abbot (c. a.d. 558) | May 1 | 6th-century |
| + | St Peregrine Laziosi (ad. 1345) | May 1 | 14th-century |
| + | St Sigismund of Burgundy (a.d. 524) | May 1 | 6th-century |
| + | St Theodard, Archbishop of Narbonne (a.d. 893) | May 1 | 9th-century |
| + | Bd Conrad of Seldenburen (ad. 1126) | May 2 | 12th-century |
| + | St Athanasius, " the Champion of Orthodoxy ", was probably born | May 2 | unknown |
| + | St Athanasius, Archbishop of Alexandria, Doctor of the Church | May 2 | unknown |
| + | St Mafalda (a.d. 1252) | May 2 | 13th-century |
| + | St Ultan, Abbot (a.d. 686) | May 2 | 7th-century |
| + | St Waldebert, Abbot (c. a.d. 665) | May 2 | 7th-century |
| + | St Wiborada, Virgin and Martyr (a.d. 926) | May 2 | 10th-century |
| + | St Juvenal, Bishop of Narni (c. a.d. 376) | May 3 | 4th-century |
| + | St Philip of Zell (eighth century) | May 3 | 8th-century |
| + | Bd Catherine of Parc-aux-dames, Virgin (early | May 4 | 13th-century |
| + | Bd Gregory of Verucchio (a.d. 1343) | May 4 | 14th-century |
| + | Bd Michael Giedroyc (a.d. 1485) | May 4 | 15th-century |
| + | St Florian, Martyr (a.d. 304) | May 4 | 4th-century |
| + | St Godehard, or Gothard, Bishop of Hildesheim (a.d. | May 4 | unknown |
| + | St Gyriacus, or Judas Quiriacus, Bishop (ad. 133 ?) | May 4 | 2nd-century |
| + | St Monica, Widow (a.d. 387) | May 4 | 4th-century |
| + | St Pelagia of Tarsus, Virgin and Martyr (a.d. 304 ?) | May 4 | 4th-century |
| + | St Venerius, Bishop of Milan (a.d. 409) | May 4 | 5th-century |
| + | St Angelo, Martyr (a.d. 1220) | May 5 | 13th-century |
| + | St Avertinus (a.d. 1180?) | May 5 | 12th-century |
| + | St Hilary, Bishop of Arles (a.d. 449) | May 5 | 5th-century |
| + | St Jutta, Widow (a.d. 1260) | May 5 | 13th-century |
| + | St Mauruntius, Abbot (a.d. 701) | May 5 | 8th-century |
| + | St Pius V, Pope (a.d. 1572) | May 5 | 16th-century |
| + | Bd Prudence, Virgin (ad. 1492) | May 6 | 15th-century |
| + | St Edbert, Bishop of Lindisfarne (a.d. 698) | May 6 | 7th-century |
| + | St Evodius, Bishop of Antioch (c. a.d. 64 ?) | May 6 | unknown |
| + | St John Before the Latin Gate (ad. 94 ?) | May 6 | unknown |
| + | St Petronax, Abbot of Monte Cassino (c. a.d. 747) | May 6 | 8th-century |
| + | Bd Rose Venerini, Virgin (ad. 1728) | May 7 | 18th-century |
| + | St Domitian, Bishop of Maestricht (c. a.d. 560) | May 7 | 6th-century |
| + | St John of Beverley, Bishop of York (a.d. 721) | May 7 | 8th-century |
| + | St Liudhard, Bishop (c. a.d. 602) | May 7 | 7th-century |
| + | St Stanislaus, Bishop of Cracow, Martyr (a.d. 1079) | May 7 | 11th-century |
| + | St Acacius, or Agathus, Martyr (a.d. 303 or 305) | May 8 | 4th-century |
| + | St Benedict Ii, Pope (a.d. 685) | May 8 | 7th-century |
| + | St Boniface Iv, Pope (ad. 615) | May 8 | 7th-century |
| + | St Desideratus, Bishop of Bourges (c. a.d. 550) | May 8 | 6th-century |
| + | St Gibrian (c. a.d. 515) | May 8 | 6th-century |
| + | St Gregory Nazianzen, Bishop of Constantinople, Doctor | May 8 | 4th-century |
| + | St Peter, Archbishop of Tarentaise (a.d. 1175) | May 8 | 12th-century |
| + | St Victor Maurus, Martyr (ad. 303 ?) | May 8 | 4th-century |
| + | Bd Nicholas Albergati, Bishop of Bologna and Cardinal | May 9 | 15th-century |
| + | St Antoninus, Archbishop of Florence (a.d. 1459) | May 9 | 15th-century |
| + | St Beatus (ad. 112?) | May 9 | 2nd-century |
| + | St Gerontius, Bishop of Cervia (a.d. 501) | May 9 | 6th-century |
| + | St Pachomius, Abbot (a.d. 348) | May 9 | 4th-century |
| + | Bd Albert of Bergamo (ad. 1279) | May 10 | 13th-century |
| + | Bd Aloysius Rabata (a.d. 1490) | May 10 | 15th-century |
| + | Bd Beatrice of Este, Virgin (a.d. 1226) | May 10 | 13th-century |
| + | Bd Benincasa (a.d. 1426) | May 10 | 15th-century |
| + | Bd John of Avila (ad. 1569) | May 10 | 16th-century |
| + | Bd Ladislaus of Gielniow (a.d. 1505) | May 10 | 16th-century |
| + | Bd Vivaldo (ad. 1300) | May 10 | 13th-century |
| + | St Ansfrid, Bishop of Utrecht (a.d. ioio) | May 10 | unknown |
| + | St Asaph, Bishop (seventh century) | May 10 | 7th-century |
| + | St Calepodius, Martyr (a.d. 222) | May 10 | 3rd-century |
| + | St Catald, Bishop of Taranto, and St Conleth, Bishop of | May 10 | 7th-century |
| + | St Comgall, Abbot of Bangor (a.d. 603) | May 10 | 7th-century |
| + | St Francis di Girolamo (a.d. 171 6) | May 10 | 2nd-century |
| + | St Gengulf, or Gengoul (ad. 760) | May 10 | 8th-century |
| + | St Ignatius of Laconi (a.d. 1781) | May 10 | 18th-century |
| + | St Majolus, or Mayeul, Abbot of Cluny (a.d. 994) | May 10 | 10th-century |
| + | St Mamertus, Bishop of Vienne (c. a.d. 475) | May 10 | 5th-century |
| + | St Solangia, Virgin and Martyr (a.d. 880) | May 10 | 9th-century |
| + | St Walter of L'esterp, Abbot (ad. 1070) | May 10 | 11th-century |
| + | Bd Francis Patrizzi (ad. 1328) | May 12 | 14th-century |
| + | Bd Gemma of Solmona, Virgin (ad. 1429) | May 12 | 15th-century |
| + | Bd Jane of Portugal, Virgin (ad. 1490) | May 12 | 15th-century |
| + | St Dominic of the Causeway (c. ad. 1109) | May 12 | 12th-century |
| + | St Epiphanius, Bishop of Salamis (a.d. 403) | May 12 | 5th-century |
| + | St Germ Anus, Patriarch of Constantinople (a.d. 732) | May 12 | 8th-century |
| + | St Modoaldus, Bishop of Trier (c. a.d. 640) | May 12 | 7th-century |
| + | St Pancras, Martyr (a.d. 304 ?) | May 12 | 4th-century |
| + | St Rictrudis, Widow (a.d. 688) | May 12 | 7th-century |
| + | Bd Imelda, Virgin (a.d. 1333) | May 13 | 14th-century |
| + | Bd John Stone, Martyr (a.d. 1539 ?) | May 13 | 16th-century |
| + | Bd Julian of Norwich, Virgin (c. a.d. 1423) | May 13 | 15th-century |
| + | St Andrew Hubert Fournet, Co-founder of the Daughters | May 13 | 19th-century |
| + | St Boniface of Tarsus, Martyr (ad. 306 ?) | May 13 | 4th-century |
| + | St Erconwald, Bishop of London (c. a.d. 686) | May 13 | 7th-century |
| + | St Euthymius the Enlightener, Abbot (ad. 1028) | May 13 | 11th-century |
| + | St Glyceria, Virgin and Martyr (c. a.d. 177) | May 13 | 2nd-century |
| + | St John the Silent (a.d. 558) | May 13 | 6th-century |
| + | St Mucius, Martyr (a.d. 304) | May 13 | 4th-century |
| + | St Peter Regalatus (ad. 1456) | May 13 | 15th-century |
| + | St Pontius was long believed to be an illustrious primitive martyr who | May 13 | unknown |
| + | St Robert Bellarmine, Archbishop of Capua and Cardinal, | May 13 | 17th-century |
| + | St Servatius, or Servais, Bishop of Tongres (a.d. 384) | May 13 | 4th-century |
| + | Bd Giles of Portugal (a.d. 1265) | May 14 | 13th-century |
| + | Bd Magdalen di Canossa May 14 | May 14 | unknown |
| + | Bd Magdalen di Canossa, Virgin, Foundress of the | May 14 | 19th-century |
| + | Bd Petronilla of Moncel, Virgin (ad. 1355) | May 14 | 14th-century |
| + | St Carthage, Carthach, or Mochuda, Bishop | May 14 | 7th-century |
| + | St Erembert, Bishop of Toulouse (c. a.d. 672) | May 14 | 7th-century |
| + | St John Baptist de la Salle, Founder of the Brothers | May 14 | unknown |
| + | St Mary Mazzarello, Virgin, Co-foundress of the Daughters | May 14 | 19th-century |
| + | St Michael Garicoits, Founder of the Priests of the | May 14 | 19th-century |
| + | Bd Magdalen Albrizzi, Virgin (ad. 1465) | May 15 | 15th-century |
| + | St Brendan, Abbot of Clonfert (a.d. 577 or 583) | May 15 | 6th-century |
| + | St Carantoc, or Carannog, Abbot (sixth century) | May 15 | 6th-century |
| + | St Domnolus, Bishop of le Mans (a.d. 581) | May 15 | 6th-century |
| + | St Germerius, Bishop of Toulouse (a.d. 560 ?) | May 15 | 6th-century |
| + | St Hallvard, Martyr (a.d. 1043) | May 15 | 11th-century |
| + | St Hilary of Galeata, Abbot (ad. 558) | May 15 | 6th-century |
| + | St Honor Atus, Bishop of Amiens (c. a.d. 600) | May 15 | 6th-century |
| + | St Isaias, Bishop of Rostov (a.d. 1090) | May 15 | 11th-century |
| + | St Isidore of Chios, Martyr (a.d. 251 ?) | May 15 | 3rd-century |
| + | St Isidore the Husbandman (a.d. 1130) | May 15 | 12th-century |
| + | St John Nepomucen, Martyr (a.d. 1393) | May 15 | 14th-century |
| + | St Paschal Baylon (a.d. 1592) | May 15 | 16th-century |
| + | St Peregrine, Bishop of Auxerre, Martyr (c. a.d. 261) | May 15 | 3rd-century |
| + | St Possidius, Bishop of Calama (c a.d. 440) | May 15 | 5th-century |
| + | St Simon Stock (a.d. 1265) | May 15 | 13th-century |
| + | St Ubald, Bishop of Gubbio (a.d. 1160) | May 15 | 12th-century |
| + | Bd Ratho of Andechs (ad. 953) | May 17 | 10th-century |
| + | St Bruno, Bishop of Wurzburg (a.d. 1045) | May 17 | 11th-century |
| + | St Madron, or Madern (sixth Century ?) | May 17 | 6th-century |
| + | Bd Andrew Abellon (a.d. 1450) | May 18 | 15th-century |
| + | Bd William of Toulouse (a.d. 1369) | May 18 | 14th-century |
| + | St Celestine V, Pope (a.d. 1296) | May 18 | 13th-century |
| + | St Eric of Sweden, Martyr (a.d. ii6i) | May 18 | unknown |
| + | St Felix of Cantalice (ad. 1587) | May 18 | 16th-century |
| + | St Potamon, Bishop of Heraclea, Martyr (c. a.d. 340) | May 18 | 4th-century |
| + | St Venantius, Martyr (a.d. 257 ?) | May 18 | 3rd-century |
| + | Bd Alcuin, Abbot (a.d. 804) | May 19 | 9th-century |
| + | Bd Augustine Novello (a.d. 1309) | May 19 | 14th-century |
| + | Bd Peter Wright, Martyr (a.d. 165 i) | May 19 | 2nd-century |
| + | St Dunstan, Archbishop of Canterbury (a.d. 988) | May 19 | 10th-century |
| + | St Ivo of Kermartin (ad. 1303) | May 19 | 14th-century |
| + | Bd Columba of Rieti, Virgin (ad. 1501) | May 20 | 16th-century |
| + | Bd Peter Petroni (a.d. 1361) | May 20 | 14th-century |
| + | St Austregisilus, or Outril, Bishop of Bourges (a.d. | May 20 | unknown |
| + | St Basilla, or Basilissa, Virgin and Martyr (a.d. 304) | May 20 | 4th-century |
| + | St Baudelius, Martyr (a.d. 380 ?) | May 20 | 4th-century |
| + | St Bernardino was born in the Tuscan town of Massa Marittima, in | May 20 | unknown |
| + | St Ethelbert, Martyr (a.d. 794) | May 20 | 8th-century |
| + | St Godric was born of very poor parents at Walpole in Norfolk, and in | May 20 | unknown |
| + | St Mary Magdalen Dei Pazzi, Virgin (ad. 1607) | May 20 | 17th-century |
| + | St Thalelaeus, Martyr (a.d. 284 ?) | May 20 | 3rd-century |
| + | St Theodosia, Virgin and Martyr (a.d. 745) | May 20 | 8th-century |
| + | Bd Benvenuto of Recanati (ad. 1289) | May 21 | 13th-century |
| + | Bd Crispin of Viterbo (ad. 1750) | May 21 | 18th-century |
| + | St Andrew Bobola, Martyr (ad. 1657) | May 21 | 17th-century |
| + | St Theophilus of Corte (ad. 1740) | May 21 | 18th-century |
| + | Bd John Forest, Martyr (ad. 1538) | May 22 | 16th-century |
| + | St Aigulf, or Ayoul, Bishop of Bourges (a.d. 836) | May 22 | 9th-century |
| + | St Humility, Widow (a.d. 13 10) | May 22 | unknown |
| + | St Joachima de Mas Y de Vedruna, Widow, Foundress | May 22 | 19th-century |
| + | St Quiteria, Virgin and Martyr (fifth Century ?) | May 22 | 5th-century |
| + | St Rita of Cascia, Widow (a.d. 1457) | May 22 | 15th-century |
| + | St Romanus (c. a.d. 550) | May 22 | 6th-century |
| + | Bd Bartholomew of Montepulciano (ad. 1330) | May 23 | 14th-century |
| + | Bd Gerard of Villamagna (a.d. 1245) | May 23 | 13th-century |
| + | St Desiderius, or Didier, Bishop of Vienne, Martyr | May 23 | 7th-century |
| + | St Euphrosyne of Polotsk, Virgin (a.d. 1173) | May 23 | 12th-century |
| + | St Guibert (a.d. 962) | May 23 | 10th-century |
| + | St Ivo, Bishop of Chartres (a.d. 1116) | May 23 | 12th-century |
| + | St John Baptist Rossi (a.d. 1764) | May 23 | 18th-century |
| + | St Leontius, Bishop of Rostov, Martyr (a.d. 1077) | May 23 | 11th-century |
| + | St William of Rochester, Martyr (a.d. 1201) | May 23 | 13th-century |
| + | Bd John of Prado, Martyr (ad. 161 3) | May 24 | 2nd-century |
| + | Bd Lanfranc, Archbishop of Canterbury (a.d. 1089) | May 24 | 11th-century |
| + | St David I of Scotland (a.d. 1153) | May 24 | 12th-century |
| + | St Nicetas of Pereaslav, Martyr (a.d. 1186) | May 24 | 12th-century |
| + | St Vincent of Lerins (c. a.d. 445) | May 24 | 5th-century |
| + | Bd Claritus (ad. 1348) | May 25 | 14th-century |
| + | St Aldhelm, Bishop of Sherborne (a.d. 709) | May 25 | 8th-century |
| + | St Dionysius, Bishop of Milan (c. a.d. 360) | May 25 | 4th-century |
| + | St Gennadius, Bishop of Astorga (a.d. 936) | May 25 | 10th-century |
| + | St Gregory Vii, Pope (ad. 1085) | May 25 | 11th-century |
| + | St Leo, or Ly6, Abbot (c. a.d. 550) | May 25 | 6th-century |
| + | St Madeleine Sophie Barat, Virgin, Foundress of the | May 25 | 19th-century |
| + | St Philip Neri was born in Florence in the year 15 15 and was one of | May 25 | unknown |
| + | St Urban I, Pope and Martyr (c. a.d. 230) | May 25 | 3rd-century |
| + | St Zenobius, Bishop of Florence {c. a.d. 390 ?) | May 25 | 4th-century |
| + | Bd Eva of Liege, Virgin (c. a.d. 1265) | May 26 | 13th-century |
| + | St Bede the Venerable \may 27 | May 26 | unknown |
| + | St Bede the Venerable, Doctor of the Church (a.d. | May 26 | unknown |
| + | St Eutropius, Bishop of Orange (c. a.d. 476) | May 26 | 5th-century |
| + | St Lambert, Bishop of Vence (a.d. 1154) | May 26 | 12th-century |
| + | St Mariana of Quito, Virgin (a.d. 1645) | May 26 | 17th-century |
| + | St Quadratus, Bishop of Athens (c. a.d. 129) | May 26 | 2nd-century |
| + | St Restituta of Sora, Virgin and Martyr (ad. 271 ?) | May 26 | 3rd-century |
| + | St Augustine, or Austin, Archbishop of Canterbury | May 27 | 7th-century |
| + | St John I, Pope and Martyr (a.d. 526) | May 27 | 6th-century |
| + | St Melangell, or Monacella, Virgin (date unknown) | May 27 | unknown |
| + | Bd Margaret Pole, Widow and Martyr (a.d. 1541) | May 28 | 16th-century |
| + | Bd Mary Bartholomea of Florence, Virgin (ad. | May 28 | unknown |
| + | St Bernard of Montjoux (a.d. 1081 ?) | May 28 | 11th-century |
| + | St Germ Anus, Bishop of Paris (a.d. 576) | May 28 | 6th-century |
| + | St Ignatius, Bishop of Rostov (a.d. 1288) | May 28 | 13th-century |
| + | St Justus, Bishop of Urgel (c. a.d. 550) | May 28 | 6th-century |
| + | St Senator, Bishop of Milan (a.d. 475) | May 28 | 5th-century |
| + | St William of Gellone (ad. 812) | May 28 | 9th-century |
| + | St Cyril of Caesarea, Martyr (a.d. 251 ?) | May 29 | 3rd-century |
| + | St Maximinus, Bishop of Trier (c. a.d. 347) | May 29 | 4th-century |
| + | Bd Andrew, Bishop of Pistoia (a.d. 1401) | May 30 | 15th-century |
| + | Bd James Bertoni (ad. 1483) | May 30 | 15th-century |
| + | Bd Richard Thirkeld, Martyr (ad. 1583) | May 30 | 16th-century |
| + | St Eleutherius, Pope (c. a.d. 189) | May 30 | 2nd-century |
| + | St Exsuperantius, Bishop of Ravenna (a.d. 418) | May 30 | 5th-century |
| + | St Felix I, Pope (a.d. 274) | May 30 | 3rd-century |
| + | St Ferdinand Iii of Castile (ad. 1252) | May 30 | 13th-century |
| + | St Isaac of Constantinople, Abbot (c. a.d. 410) | May 30 | 5th-century |
| + | St Joan of Arc, Virgin (a.d. 143 i) | May 30 | 2nd-century |
| + | St Madelgisilus, or Mauguille (c. a.d. 655) | May 30 | 7th-century |
| + | St Philip the apostle came from Bethsaida in Galilee, and seems to have | May 30 | unknown |
| + | St Walstan (a.d. 1016) | May 30 | 11th-century |
| + | Bd James the Venetian (a.d. 13 14) | May 31 | unknown |
| + | St Angela Merici, Virgin, Foundress of the Company of | May 31 | 16th-century |
| + | St Mechtildis of Edelstetten, Virgin (ad. 1160) | May 31 | 12th-century |
| + | St Petronilla, Virgin and Martyr (a.d. 251 ?) | May 31 | 3rd-century |
| + | Bd Felix of Nicosia (a.d. 1787) | June 1 | 18th-century |
| + | Bd Hergulanus of Piegaro (ad. 1451) | June 1 | 15th-century |
| + | Bd John Pelingotto (ad. 1304) | June 1 | 14th-century |
| + | Bd John Storey, Martyr (a.d. 1571) | June 1 | 16th-century |
| + | St Caprasius, or Caprais (ad. 430) | June 1 | 5th-century |
| + | St Eneco, or Inigo, Abbot (a.d. 1057) | June 1 | 11th-century |
| + | St Erasmus, Bishop and Martyr (a.d. 303 ?) | June 1 | 4th-century |
| + | St Pamphilus and his Companions, Martyrs (a.d. 309) | June 1 | 4th-century |
| + | St Proculus, " the Soldier ", and St Proculus, Bishop | June 1 | unknown |
| + | St Simeon of Syracuse (ad. 1035) | June 1 | 11th-century |
| + | St Theobald of Alba (ad. 1150) | June 1 | 12th-century |
| + | St Wistan (a.d. 849) | June 1 | 9th-century |
| + | St Wite, or Candida (date unknown) | June 1 | unknown |
| + | St Eugenius I, Pope (a.d. 657) | June 2 | 7th-century |
| + | St Nicholas the Pilgrim (ad. 1094) | June 2 | 11th-century |
| + | St Stephen, Bishop in Sweden, Martyr (a.d. 1075 ?) | June 2 | 11th-century |
| + | Bd Andrew of Spello (a.d. 1254) | June 3 | 13th-century |
| + | Bd John "the Sinner" (ad. 1600) | June 3 | 16th-century |
| + | St Cecilius (c. a.d. 248 ?) | June 3 | 3rd-century |
| + | St Clotilda, Widow (a.d. 545) | June 3 | 6th-century |
| + | St Genesius, Bishop of Clermont (c. a.d. 660) | June 3 | 7th-century |
| + | St Isaac of Cordova, Martyr (a.d. 852) | June 3 | 9th-century |
| + | St Kevin, or Coemgen, Abbot of Glendalough (a.d. 618 ?) | June 3 | 7th-century |
| + | St Morand (c. a.d. 1115) | June 3 | 12th-century |
| + | St Boniface, Archbishop of Mainz, Martyr (a.d. 754) | June 4 | 8th-century |
| + | St Francis Car Acciolo, Founder of the Minor Clerks Regular | June 4 | 17th-century |
| + | St Metrophanes, Bishop of Byzantium (c. a.d. 325) | June 4 | 4th-century |
| + | St Optatus, Bishop of Milevis (c. a.d. 387) | June 4 | 4th-century |
| + | St Petroc, Abbot (sixth century) | June 4 | 6th-century |
| + | St Quirinus, Bishop of Siscia, Martyr (a.d. 308) | June 4 | 4th-century |
| + | St Vincentia Gerosa, Virgin, Co-foundress of the Sisters of | June 4 | 19th-century |
| + | Bd Ferdinand of Portugal (ad. 1443) | June 5 | 15th-century |
| + | Bd Meinwerk, Bishop of Paderborn (a.d. 1036) | June 5 | 11th-century |
| + | St Dorotheus of Tyre, Martyr (ad. 362 ?) | June 5 | 4th-century |
| + | Bd Gerard of Monza (a.d. 1207) | June 6 | 13th-century |
| + | Bd Laurence of Villamagna (a.d. 1535) | June 6 | 16th-century |
| + | St Ceratius, or Cerase, Bishop of Grenoble (c. a.d. 455) | June 6 | 5th-century |
| + | St Claud, Bishop of Besancon (c. a.d. 699) | June 6 | 7th-century |
| + | St Eustorgius Ii, Bishop of Milan (a.d. 518) | June 6 | 6th-century |
| + | St Gudwal, or Gurval (sixth Century ?) | June 6 | 6th-century |
| + | St Jarlath, Bishop of Tuam (c. a.d. 550) | June 6 | 6th-century |
| + | St Norbert, Archbishop of Magdeburg, Founder of the Canons | June 6 | 12th-century |
| + | St Philip the Deacon (first century) | June 6 | 1st-century |
| + | Bd Anne of St Bartholomew, Virgin (ad. 1626) | June 7 | 17th-century |
| + | Bd Baptista Varani, Virgin (a.d. 1527) | June 7 | 16th-century |
| + | St Antony Gianelli, Bishop of Bobbio, Founder of the Mis- | June 7 | 19th-century |
| + | St Colman of Dromore, Bishop (sixth century) | June 7 | 6th-century |
| + | St Gottschalk, Martyr (a.d. 1066) | June 7 | 11th-century |
| + | St Maximinus of Aix (fifth Century ?) | June 7 | 5th-century |
| + | St Meriadog, Bishop (sixth Century ?) | June 7 | 6th-century |
| + | St Paul was a native of Thessalonica, but from his boyhood he had been | June 7 | unknown |
| + | St Robert, Abbot of Newminster (a.d. 1159) | June 7 | 12th-century |
| + | St Vulflagius, or Wulphy (c. a.d. 643) | June 7 | 7th-century |
| + | St Willibald, Bishop of Eichstatt (a.d. 786) | June 7 | 8th-century |
| + | Bd John Rainuzzi (ad. 1330 ?) | June 8 | 14th-century |
| + | St Clodulf, or Cloud, Bishop of Metz (c. a.d. 692) | June 8 | 7th-century |
| + | St Medard, Bishop of Vermandois (c. a.d. 560) | June 8 | 6th-century |
| + | St William, Archbishop of York (a.d. 1154) | June 8 | 12th-century |
| + | Bd Anne Mary Taigi, Matron (ad. 1837) | June 9 | 19th-century |
| + | Bd Henry the Shoemaker (ad. 1666) | June 9 | 17th-century |
| + | Bd Pacifico of Cerano (ad. 1482) | June 9 | 15th-century |
| + | Bd Silvester of Valdiseve (ad. 1348) | June 9 | 14th-century |
| + | St Columba, or Colmcille, Abbot of Iona * (a.d. 597) | June 9 | 6th-century |
| + | St Margaret of Scotland, Matron * (a.d. 1093) | June 9 | 11th-century |
| + | St Pelagia of Antioch, Virgin and Martyr (c. a.d. 311) | June 9 | 4th-century |
| + | St Richard, Bishop of Andria (twelfth Century ?) | June 9 | 12th-century |
| + | St Vincent of Agen, Martyr (c. a.d. 300 ?) | June 9 | 3rd-century |
| + | Bd Bonaventure of Peraga, Cardinal of the Holy | June 10 | 14th-century |
| + | Bd Henry of Treviso (ad. 13 15) | June 10 | unknown |
| + | Bd John Dominici, Archbishop of Ragusa and Cardinal | June 10 | 15th-century |
| + | Bd Olive of Palermo, Virgin and Martyr (ninth | June 10 | unknown |
| + | Bd Paula Frassinetti, Virgin, Foundress of the Sisters of | June 10 | 19th-century |
| + | St Barnabas, Apostle (first century) | June 10 | 1st-century |
| + | St Bogumilus, Archbishop of Gniezno (a.d. 1182) | June 10 | 12th-century |
| + | St Ithamar, Bishop of Rochester (c. a.d. 656) | June 10 | 7th-century |
| + | St Landericus, or Landry, Bishop of Paris (c. a.d. 660) | June 10 | 7th-century |
| + | St Parisio (ad. 1267) | June 10 | 13th-century |
| + | St Eskil, Bishop and Martyr (c. a.d. 1080) | June 12 | 11th-century |
| + | St John of Sahagun (ad. 1479) | June 12 | 15th-century |
| + | St Leo Iii, Pope (a.d. 816) | June 12 | 9th-century |
| + | St Odulf (c. a.d. 855) | June 12 | 9th-century |
| + | St Onuphrius (c. a.d. 400 ?) | June 12 | 4th-century |
| + | St Peter of Mount Athos (eighth Century ?) | June 12 | 8th-century |
| + | St Ternan, Bishop (fifth or Sixth century) | June 12 | 6th-century |
| + | Bd Gerard of Clairvaux (a.d. 1138) | June 13 | 12th-century |
| + | Bd Stephen Bandelli (ad. 1450) | June 13 | 15th-century |
| + | St Antony of Padua, Doctor of the Church (a.d. 1231) | June 13 | 13th-century |
| + | St Aquilina, Martyr (end of Third Century ?) | June 13 | 3rd-century |
| + | St Basil the Great, Archbishop of Caesarea and Doctor | June 13 | 4th-century |
| + | St Basil was born at Caesarea, the capital of Cappadocia in Asia Minor, in | June 13 | unknown |
| + | St Felicula, Martyr (c. a.d. 90 ?) | June 13 | unknown |
| + | St Triphyllius, Bishop of Nicosia (c. a.d. 370) | June 13 | 4th-century |
| + | Bd Castora Gabrielli, Widow (ad. 1391) | June 14 | 14th-century |
| + | St Dogmael (sixth Century ?) | June 14 | 6th-century |
| + | St Hesychius, Martyr (a.d. 302 ?) | June 14 | 4th-century |
| + | St Landelinus, Abbot (c. a.d. 686) | June 14 | 7th-century |
| + | St Methodius I, Patriarch of Constantinople (a.d. 847) | June 14 | 9th-century |
| + | St Orsiesius, Abbot (c. a.d. 380) | June 14 | 4th-century |
| + | St Tatian Dulas, Martyr (c. a.d. 310 ?) | June 14 | 4th-century |
| + | Bd Guy of Cortona (c. ad. 1245) | June 15 | 13th-century |
| + | Bd Jolenta of Hungary, Widow (a.d. 1299) | June 15 | 13th-century |
| + | St Aleydis, or Alice, Virgin (a.d. 1250) | June 15 | 13th-century |
| + | St Aurelian, Bishop of Arles (a.d. 551) | June 15 | 6th-century |
| + | St Bardo, Archbishop of Mainz (a.d. 1053) | June 15 | 11th-century |
| + | St Benno, Bishop of Meissen (c. a.d. 1106) | June 15 | 12th-century |
| + | St Edburga of Winchester, Virgin (ad. 960) | June 15 | 10th-century |
| + | St Germaine of Pibrac, Virgin (a.d. 1601) | June 15 | 17th-century |
| + | St Irenaeus, bishop of Lyons, ordained St Ferreolus to be a priest and | June 15 | unknown |
| + | St John Francis Regis (ad. 1640) | June 15 | 17th-century |
| + | St Lutgardis, Virgin (a.d. 1246) | June 15 | 13th-century |
| + | St Tychon, Bishop of Amathus (fifth Century ?) | June 15 | 5th-century |
| + | St Gregory Barbarigo, Bishop of Padua and Cardinal | June 16 | 17th-century |
| + | Bd Peter of Pisa (ad. 1435) | June 17 | 15th-century |
| + | Bd Peter of Pisa \june 17 | June 17 | unknown |
| + | St Amandus, Bishop of Bordeaux (c. a.d. 431) | June 17 | 5th-century |
| + | St Avitus, Abbot (a.d. 530 ?) | June 17 | 6th-century |
| + | St Bessarion (fourth century) | June 17 | 4th-century |
| + | St Botulf, or Botolph, Abbot, and St Adulf (c. | June 17 | 7th-century |
| + | St Elizabeth of Schonau, Virgin (a.d. 1164) | June 17 | 12th-century |
| + | St Emily de Vialar, Virgin, Foundress of the Sisters of | June 17 | 19th-century |
| + | St Ephraem, Doctor of the Church (a.d. 373 ?) | June 17 | 4th-century |
| + | St Herve, or Harvey, Abbot (sixth century) | June 17 | 6th-century |
| + | St Hypatius, Abbot (a.d. 446 ?) | June 17 | 5th-century |
| + | St Moling, Bishop in Leinster (a.d. 697) | June 17 | 7th-century |
| + | St Nectan (sixth Century ?) | June 17 | 6th-century |
| + | St Rainerius of Pisa (a.d. 1160) | June 17 | 12th-century |
| + | Bd Odo, Bishop of Cambrai (a.d. 1113) | June 19 | 12th-century |
| + | Bd Thomas Woodhouse, Martyr (ad. 1573) | June 19 | 16th-century |
| + | St Bruno, or Boniface, of Querfurt, Bishop and | June 19 | 11th-century |
| + | St Deodatus, or Dl£, Bishop of Nevers (a.d. 679 ?) | June 19 | 7th-century |
| + | St Juliana Falconieri, Virgin, Foundress of the Servite | June 19 | 14th-century |
| + | Bd Michelina of Pesaro, Widow (ad. 1356) | June 20 | 14th-century |
| + | Bd Osanna of Mantua, Virgin (ad. 1505) | June 20 | 16th-century |
| + | St Adalbert, Archbishop of Magdeburg (a.d. 981) | June 20 | 10th-century |
| + | St Aloysius (a.d. 1591) | June 20 | 16th-century |
| + | St Bagnus, or Bain, Bishop of Th£rouanne (c. a.d. 710) | June 20 | 8th-century |
| + | St Goban, or Gobain, Martyr (c. a.d. 670) | June 20 | 7th-century |
| + | St John of Matera, Abbot of Pulsano (a.d. 1139) | June 20 | 12th-century |
| + | St Silverius, Pope and Martyr (c. a.d. 537) | June 20 | 6th-century |
| + | Bd John Rigby, Martyr (a.d. 1600) | June 21 | 16th-century |
| + | St Alban, or Albinus, of Mainz, Martyr (fifth | June 21 | unknown |
| + | St Engelmund (c. a.d. 720) | June 21 | 8th-century |
| + | St Eusebius, Bishop of Samosata (c. a.d. 379) | June 21 | 4th-century |
| + | St Leutfridus, or Leufroy, Abbot (ad. 738) | June 21 | 8th-century |
| + | St Meen, or Mewan, Abbot (sixth Century ?) | June 21 | 6th-century |
| + | St Ralph, or Raoul, Archbishop of Bourges (a.d. 866) | June 21 | 9th-century |
| + | Bd Innocent V, Pope (a.d. 1277) | June 22 | 13th-century |
| + | St Alban is venerated as the proto- or first martyr of the Island of Britain, | June 22 | unknown |
| + | St Eberhard, Archbishop of Salzburg (a.d. 1164) | June 22 | 12th-century |
| + | St Nicetas, Bishop of Remesiana (c. a.d. 414) | June 22 | 5th-century |
| + | St Paulinus, Bishop of Nola (a.d. 431) | June 22 | 5th-century |
| + | Bd Lanfranc, Bishop of Pavia (a.d. 1194) | June 23 | 12th-century |
| + | Bd Mary of Oignies, Virgin (a.d. 1213) | June 23 | 13th-century |
| + | Bd Peter of Jully (ad. 1136) | June 23 | 12th-century |
| + | Bd Thomas Corsini (ad. 1345) | June 23 | 14th-century |
| + | Bd Thomas Garnet, Martyr (ad. 1608) | June 23 | 17th-century |
| + | St Agrippina is a virgin martyr greatly honoured in Sicily and, to a lesser | June 23 | unknown |
| + | St Augustine, remarking that the Church celebrates the festivals of | June 23 | unknown |
| + | St Etheldreda, or Audrey, Abbess of Ely, Widow (a.d. | June 23 | unknown |
| + | St Joseph Cafasso (ad. i860) | June 23 | unknown |
| + | St Lietbertus, or Libert {june 23 | June 23 | unknown |
| + | St Lietbertus, or Libert, Bishop of Cambrai (a.d. 1076) | June 23 | 11th-century |
| + | St Bartholomew of Farne (ad. 1193) | June 24 | 12th-century |
| + | St Simplicius, Bishop of Autun (fourth or Fifth century) | June 24 | 5th-century |
| + | Bd Guy Maramaldi (ad. 1391) | June 25 | 14th-century |
| + | Bd Henry Zdik, Bishop of Olomuc (a.d. 1150) | June 25 | 12th-century |
| + | Bd John the Spaniard (ad. 1160) | June 25 | 12th-century |
| + | St Adalbert of Egmond (a.d. 705 or after 714 ?) | June 25 | 8th-century |
| + | St Eurosia, Virgin and Martyr (eighth Century ?) | June 25 | 8th-century |
| + | St Febronia, Virgin and Martyr (a.d. 304 ?) | June 25 | 4th-century |
| + | St Gallicanus (ad. 352 ?) | June 25 | 4th-century |
| + | St Maximus, Bishop of Turin (c. a.d. 467) | June 25 | 5th-century |
| + | St Moloc, or Luan, Bishop (a.d. 572 ?) | June 25 | 6th-century |
| + | St Prosper of Aquitaine (c. a.d. 465) | June 25 | 5th-century |
| + | St Prosper, Bishop of Reggio (a.d. 466 ?) | June 25 | 5th-century |
| + | St William of Vercelli, Abbot of Monte Vergine (a.d. | June 25 | unknown |
| + | St Anthelm, Bishop of Beliey (a.d. 1178) | June 26 | 12th-century |
| + | St John, Bishop of the Goths (c. a.d. 800) | June 26 | 8th-century |
| + | St Maxentius, Abbot (c. a.d. 515) | June 26 | 6th-century |
| + | St Pelagius, Martyr (a.d. 925) | June 26 | 10th-century |
| + | St Vigilius, Bishop of Trent, Martyr (a.d. 405) | June 26 | 5th-century |
| + | Bd Benvenuto of Gubbio (ad. 1232) | June 27 | 13th-century |
| + | St George Mtasmindeli, Abbot (ad. 1066) | June 27 | 11th-century |
| + | St John of Chinon (sixth century) | June 27 | 6th-century |
| + | St Ladislaus of Hungary (ad. 1095) | June 27 | 11th-century |
| + | St Samson of Constantinople (fifth century) | June 27 | 5th-century |
| + | Bd John Southworth, Martyr (ad. 1654) | June 28 | 17th-century |
| + | St Heimrad (a.d. 1019) | June 28 | 11th-century |
| + | St Irenaeus, Bishop of Lyons (c. a.d. 203) | June 28 | 3rd-century |
| + | St Paul I, Pope (a.d. 767) | June 28 | 8th-century |
| + | St Gassius, Bishop of Narni (a.d. 538) | June 29 | 6th-century |
| + | St Paul, Apostle of the Gentiles (a.d. 67 ?) | June 29 | unknown |
| + | St Peter, Prince of the Apostles * (a.d. 64 ?) | June 29 | unknown |
| + | Bd Arnulf of Villers (ad. 1228) | June 30 | 13th-century |
| + | Bd Philip Powell, Martyr (a.d. 1646) | June 30 | 17th-century |
| + | St Bertrand, Bishop of le Mans (a.d. 623) | June 30 | 7th-century |
| + | St Emma, Widow (c. a.d. 1045) | June 30 | 11th-century |
| + | St Erentrude, Virgin (c. a.d. 718) | June 30 | 8th-century |
| + | St Martial, Bishop of Limoges (c. a.d. 250) | June 30 | 3rd-century |
| + | St Theobald, or Thibaud, of Provins (ad. 1066) | June 30 | 11th-century |
| + | Bd Thomas Maxfield, Martyr (a.d. 1616) | July 1 | 17th-century |
| + | St Carilefus, or Calais, Abbot (c. a.d. 540 ?) | July 1 | 6th-century |
| + | St Eparchius, or Cybard (ad. 581) | July 1 | 6th-century |
| + | St Gall, Bishop of Clermont (a.d. 551) | July 1 | 6th-century |
| + | St Serf, or Servanus, Bishop (sixth Century ?) | July 1 | 6th-century |
| + | St Simeon Salus (sixth century) | July 1 | 6th-century |
| + | St Theodoric, or Thierry, Abbot (ad. 533) | July 1 | 6th-century |
| + | Bd Peter of Luxemburg, Bishop of Metz and Cardinal | July 2 | 14th-century |
| + | St Monegundis, Widow (a.d. 570) | July 2 | 6th-century |
| + | St Otto, Bishop of Bamberg (a.d. 1139) | July 2 | 12th-century |
| + | St Anatolius, Bishop of Laodicea (c. a.d. 283) | July 3 | 3rd-century |
| + | St Anatolius, Patriarch of Constantinople (a.d. 458) | July 3 | 5th-century |
| + | St Bernardino Realino (ad. 161 6) | July 3 | 2nd-century |
| + | St Heliodorus, Bishop of Altino (c. a.d. 400) | July 3 | 4th-century |
| + | St Irenaeus, Bishop of Lyons (r. a.d. 203) See p. 656jj, | July 3 | 3rd-century |
| + | St Leo Ii, Pope (a.d. 683) | July 3 | 7th-century |
| + | St Rumold, or Rombaut, Martyr (c. ad. 775) | July 3 | 8th-century |
| + | Bd William of Hirschau, Abbot (ad. 1091) | July 4 | 11th-century |
| + | St Andrew of Crete, Archbishop of Gortyna (a.d. 740 ?) | July 4 | 8th-century |
| + | St Antony Zaccaria, Founder of the Clerks Regular of St | July 4 | 16th-century |
| + | St Bertha, Widow (c. a.d. 725) | July 4 | 8th-century |
| + | St Odo, Archbishop of Canterbury (a.d. 959) | July 4 | 10th-century |
| + | St Ulric, Bishop of Augsburg (a.d. 973) | July 4 | 10th-century |
| + | St Athanasius the Athonite, Abbot (c. ad. iooo) | July 5 | unknown |
| + | Bd Thomas Alfield, Martyr (ad. 1585) | July 6 | 16th-century |
| + | St Dominica, Virgin and Martyr (c. a.d. 303 ?) | July 6 | 4th-century |
| + | St Goar (c. a.d. 575) | July 6 | 6th-century |
| + | St Godeleva, Martyr (a.d. 1070 ?) | July 6 | 11th-century |
| + | St Mary Goretti, Virgin and Martyr (a.d. 1902) | July 6 | 20th-century |
| + | St Modwenna, Virgin (seventh Century ?) | July 6 | 7th-century |
| + | St Romulus, Bishop of Fiesole, Martyr (c. a.d. 90 ?) | July 6 | unknown |
| + | St Sexburga, Abbess of Ely, Widow (c. a.d. 699) | July 6 | 7th-century |
| + | St Sisoes (c. a.d. 429) | July 6 | 5th-century |
| + | Bd Benedict Xi, Pope (ad. 1304) | July 7 | 14th-century |
| + | St Elizabeth of Portugal, Widow (ad. 1336) | July 7 | 14th-century |
| + | St Felix, Bishop of Nantes (a.d. 582) | July 7 | 6th-century |
| + | St Hedda, Bishop of Winchester (a.d. 705) | July 7 | 8th-century |
| + | St Palladius, Bishop (a.d. 432) | July 7 | 5th-century |
| + | St Pantaenus (c. a.d. 200) | July 7 | 2nd-century |
| + | Bd Eugenius Iii, Pope (ad. 1153) | July 8 | 12th-century |
| + | St Adrian Iii, Pope (a.d. 885) | July 8 | 9th-century |
| + | St Grimbald (ad. 903) | July 8 | 10th-century |
| + | St John Fisher, Bishop of Rochester and Cardinal, Martyr | July 8 | 16th-century |
| + | St Procopius, Martyr (a.d. 303) | July 8 | 4th-century |
| + | St Raymund of Toulouse (ad. iii8) | July 8 | 11th-century |
| + | St Withburga, Virgin (c. ad. 743) | July 8 | 8th-century |
| + | Bd Jane of Reggio, Virgin (a.d. 1491) | July 9 | 15th-century |
| + | St Everild, Virgin (c. a.d. 700) | July 9 | 7th-century |
| + | St Thomas More, Martyr (a.d. 1535) | July 9 | 16th-century |
| + | St Veronica Giuliani, Virgin (ad. 1727) | July 9 | 18th-century |
| + | Bd Adrian Fortescue, Martyr (a.d. 1539) | July 10 | 16th-century |
| + | Bd Oliver Plunket, Archbishop of Armagh, Martyr (a.d. | July 10 | unknown |
| + | St Amalburga, or Amelberga, Widow (c. a.d. 690) | July 10 | 7th-century |
| + | St Amalburga, Virgin (c. a.d. 770) | July 10 | 8th-century |
| + | St Drostan, Abbot of Deer (c. a.d. 610) | July 10 | 7th-century |
| + | St Hidulf, Bishop (c. a.d. 707) | July 10 | 8th-century |
| + | St John Gualbert was born at Florence towards the end of the tenth | July 10 | unknown |
| + | St John Gualbert, Abbot, Founder of the Vallombrosan | July 10 | 11th-century |
| + | St John, Bishop of Bergamo (c. a.d. 690) | July 10 | 7th-century |
| + | St Olga, Widow (a.d. 969) | July 10 | 10th-century |
| + | St Pius I, Pope and Martyr (a.d. 155 ?) | July 10 | 2nd-century |
| + | Bd Andrew of Rinn (ad. 1462) | July 12 | 15th-century |
| + | Bd John Jones, Martyr (a.d. 1598) | July 12 | 16th-century |
| + | St Jason (first century) | July 12 | 1st-century |
| + | St John the Iberian, Abbot (c. ad. 1002) | July 12 | 11th-century |
| + | St Veronica (first century) | July 12 | 1st-century |
| + | Bd James of Voragine, Archbishop of Genoa (a.d. 1298) | July 13 | 13th-century |
| + | Bd Thomas Tunstal, Martyr (ad. 1616) | July 13 | 17th-century |
| + | St Eugenius, Bishop of Carthage (a.d. 505) | July 13 | 6th-century |
| + | St Francis Solano (a.d. 1610) | July 13 | 17th-century |
| + | St Mildred, Abbess of Minster-in-thanet, Virgin (c. a.d. | July 13 | unknown |
| + | St Silas (first century) | July 13 | 1st-century |
| + | Bd Bernard of Baden (ad. 1458) | July 14 | 15th-century |
| + | Bd Boniface of Savoy, Archbishop of Canterbury (a.d. | July 14 | unknown |
| + | Bd Caspar de Bono (a.d. 1604) | July 14 | 17th-century |
| + | Bd Hroznata, Martyr (ad. 12 17) | July 14 | unknown |
| + | Bd Humbert of Romans (a.d. 1277) | July 14 | 13th-century |
| + | St Athanasius, Bishop of Naples (a.d. 872) | July 14 | 9th-century |
| + | St Barhadbesaba, Martyr (a.d. 355) | July 14 | 4th-century |
| + | St Bonaventure, Cardinal-bishop of Albano, Doctor of the | July 14 | 13th-century |
| + | St David of Munktorp, Bishop {c. ad. 1080) | July 14 | 11th-century |
| + | St Deusdedit, Archbishop of Canterbury (a.d. 664) | July 14 | 7th-century |
| + | St Donald (eighth century) | July 14 | 8th-century |
| + | St Edith of Polesworth (tenth Century ?) | July 14 | 10th-century |
| + | St Henry Ii was son of Henry, Duke of Bavaria, and Gisela of Burgundy, | July 14 | unknown |
| + | St James, Bishop of Nisibis (a.d. 338) | July 14 | 4th-century |
| + | St Marchelm (c. a.d. 762) | July 14 | 8th-century |
| + | St Swithun, Bishop of Winchester (a.d. 862) | July 14 | 9th-century |
| + | St Ulric of Zell, Abbot (a.d. 1093) | July 14 | 11th-century |
| + | St Vladimir of Kiev (ad. 1015) | July 14 | 11th-century |
| + | Bd Anne Mary Javouhey, Virgin, Foundress of the Con- | July 15 | 19th-century |
| + | St Pompilio Pirrotti (a.d. 1756) | July 15 | 18th-century |
| + | Bd Ermengard, Virgin (ad. 866) | July 16 | 9th-century |
| + | Bd Milo of Selincourt, Bishop of Therouanne (ad. | July 16 | 12th-century |
| + | St Alexis, the Man of God (fifth century) | July 16 | 5th-century |
| + | St Athenogenes, Bishop and Martyr (c. a.d. 305) | July 16 | 4th-century |
| + | St Eustathius, Bishop of Antioch (c. a.d. 340) | July 16 | 4th-century |
| + | St Fulrad, Abbot (a.d. 784) | July 16 | 8th-century |
| + | St Helier, Martyr (sixth century) | July 16 | 6th-century |
| + | St Mary-magdalen Postel, Virgin, Foundress of the | July 16 | 19th-century |
| + | St Reineldis, Virgin and Martyr (c. a.d. 680) | July 16 | 7th-century |
| + | Bd Ceslaus (a.d. 1242) | July 17 | 13th-century |
| + | St Arnulf, or Arnoul, Bishop of Metz (c. a.d. 643) | July 17 | 7th-century |
| + | St Bruno, Bishop of Segni (a.d. 1123) | July 17 | 12th-century |
| + | St Camillus de Lellis, Founder of the Ministers of the | July 17 | 17th-century |
| + | St Ennodius, Bishop of Pavia (a.d. 521) | July 17 | 6th-century |
| + | St Frederick, Bishop of Utrecht, Martyr (a.d. 838) | July 17 | 9th-century |
| + | St Kenelm (c. a.d. 812) | July 17 | 9th-century |
| + | St Leo Iv, Pope (a.d. 855) | July 17 | 9th-century |
| + | St Marcellina, Virgin (c. a.d. 398) | July 17 | 4th-century |
| + | St Nerses Lampronatsi, Archbishop of Tarsus (a,d. | July 17 | unknown |
| + | St Pambo (c. a.d. 390) | July 17 | 4th-century |
| + | St Philastrius, Bishop of Brescia (before a.d. 397) | July 17 | 4th-century |
| + | St Vincent de Paul, Founder of the Congregation of the | July 17 | 17th-century |
| + | Bd Stilla, Virgin (c. a.d. 1140) | July 19 | 12th-century |
| + | St Ambrose Autpert (ad. 778 ?) | July 19 | 8th-century |
| + | St Arsenius the Great (c. ad. 450) | July 19 | 5th-century |
| + | St Macrina the Younger, Virgin (ad. 379) | July 19 | 4th-century |
| + | St Symmachus, Pope (a.d. 514) | July 19 | 6th-century |
| + | St Ansegisus, Abbot (a.d. 833) | July 20 | 9th-century |
| + | St Aurelius, Bishop of Carthage (a.d. 429) | July 20 | 5th-century |
| + | St Flavian, Patriarch of Antioch, and St Elias, Patriarch | July 20 | 6th-century |
| + | St Jerome Emiliani, Founder of the Somaschi '(a.d. 1537) | July 20 | 16th-century |
| + | St Joseph Barsabas (first century) | July 20 | 1st-century |
| + | St Margaret, or Marina, Virgin and Martyr (no date) | July 20 | unknown |
| + | St Praxedes, Virgin (date unknown) | July 20 | unknown |
| + | St Victor of Marseilles, Martyr (ad. 290 ?) | July 20 | 3rd-century |
| + | St Vulmar, Abbot (c. a.d. 700) | July 20 | 7th-century |
| + | St Wilgefortis, or Liberata (no date) | July 20 | unknown |
| + | Bd Angelina of Marsciano, Widow (ad. 1435) | July 21 | 15th-century |
| + | Bd Oddino of Fossano (ad. 1400) | July 21 | 14th-century |
| + | St Arbogast, Bishop of Strasburg (sixth century) | July 21 | 6th-century |
| + | St Mary Magdalen (first century) | July 21 | 1st-century |
| + | Bd Benno, Bishop of Osnabruck (a.d. 1088) | July 22 | 11th-century |
| + | St Apollinaris was the first bishop of Ravenna, and its only known | July 22 | unknown |
| + | St Apollinaris, Bishop of Ravenna, Martyr (date | July 22 | unknown |
| + | St Joseph of Palestine (c. ad. 356) | July 22 | 4th-century |
| + | St Wandregisilus, or Wandrille, Abbot (a.d. 668) | July 22 | 7th-century |
| + | Bd Joan of Orvieto, Virgin (a.d. 1306) | July 23 | 14th-century |
| + | St Anne, or Susanna, Virgin (c. a.d. 918) | July 23 | 10th-century |
| + | St Christina, Virgin and Martyr (date unknown) | July 23 | unknown |
| + | St Declan, Bishop (sixth Century ?) | July 23 | 6th-century |
| + | St John Cassian, Abbot (c. a.d. 433) | July 23 | 5th-century |
| + | St Laurence of Brindisi (a.d. 161 9) (transferred | July 23 | 2nd-century |
| + | St Lewina, Virgin and Martyr (date unknown) | July 23 | unknown |
| + | St Liborius, Bishop of le Mans (fourth century) | July 23 | 4th-century |
| + | Bd Augustine of Biella (a.d. 1493) | July 24 | 15th-century |
| + | Bd Cunegund, or Kinga, Virgin (a.d. 1292) | July 24 | 13th-century |
| + | Bd Felicia of Milan, Virgin (ad. 1444) | July 24 | 15th-century |
| + | Bd John of Tossignano, Bishop of Ferrara (a.d. 1446) | July 24 | 15th-century |
| + | Bd Nicholas, Bishop of Linkoping (a.d. 1391) | July 24 | 14th-century |
| + | St Christina the Astonishing, Virgin (ad. 1224) | July 24 | 13th-century |
| + | St Anne, Matron (first Century b.c.) | July 25 | 1st-century |
| + | St Christopher, Martyr (date unknown) | July 25 | unknown |
| + | St James, the brother of St John Evangelist, son of Zebedee, was called | July 25 | unknown |
| + | St Magnericus, Bishop of Trier (a.d. 596) | July 25 | 6th-century |
| + | Bd William Ward, Martyr (ad. 1641) | July 26 | 17th-century |
| + | St Bartholomea Capitanio, Virgin, Co-foundress of the | July 26 | 19th-century |
| + | St Simeon the Armenian (ad. 1016) | July 26 | 11th-century |
| + | Bd Berthold of Garsten, Abbot (a.d. 1142) | July 27 | 12th-century |
| + | Bd Lucy of Amelia, Virgin (a.d. 1350) | July 27 | 14th-century |
| + | Bd Mary Magdalen Martinengo, Virgin (ad. 1737) | July 27 | 18th-century |
| + | St Innocent I, Pope (a.d. 417) | July 27 | 5th-century |
| + | St Nazarius' S father was a heathen, and an officer in the Roman army. | July 27 | unknown |
| + | St Pantaleon, or Panteleimon, Martyr (c. ad. 305 ?) | July 27 | 4th-century |
| + | St Samson, Bishop of Dol (c. a.d. 565) | July 27 | 6th-century |
| + | St Theobald of Marly, Abbot (ad. 1247) | July 27 | 13th-century |
| + | St Victor I, Pope and Martyr (c. a.d. 199) | July 27 | 2nd-century |
| + | Bd Antony Della Chiesa (a.d. 1459) | July 28 | 15th-century |
| + | St Botvid (ad. 1 100) | July 28 | 1st-century |
| + | St Martha, Virgin (first century) | July 28 | 1st-century |
| + | Bd Urban Ii, Pope (a.d. 1099) | July 29 | 11th-century |
| + | St Felix "ii " (a.d. 365) | July 29 | 4th-century |
| + | St Julitta, Widow and Martyr (c. a.d. 303) | July 29 | 4th-century |
| + | St Lupus, Bishop of Troyes (a.d. 478) | July 29 | 5th-century |
| + | St Olaf of Norway, Martyr (a.d. 1030) | July 29 | 11th-century |
| + | St William Pinchon, Bishop of Saint-brieuc (a.d. 1234) | July 29 | 13th-century |
| + | Bd Archangelo of Calatafimi (a.d. 1460) | July 30 | 15th-century |
| + | Bd Everard Hanse, Martyr (a.d. 1581) | July 30 | 16th-century |
| + | Bd John Soreth (ad. 1471) | July 30 | 15th-century |
| + | Bd Mannes (c. a.d. 1230) | July 30 | 13th-century |
| + | Bd Peter of Mogliano (a.d. 1490) | July 30 | 15th-century |
| + | Bd Simon of Lipnicza (ad. 1482) | July 30 | 15th-century |
| + | Bd Thomas Abel, Martyr (a.d. 1540) | July 30 | 16th-century |
| + | St Ignatius of Loyola, Founder of the Society of Jesus | July 30 | 16th-century |
| + | St Ignatius was born, probably in 1491, in the castle of Loyola at | July 30 | 15th-century |
| + | St Shenute, Abbot (c. a.d. 466) | July 30 | 5th-century |
| + | Bd John Colombini (a.d. 1367) | July 31 | 14th-century |
| + | Bd Justin de Jacobis, Titular Bishop of Nilopolis (a.d. | July 31 | unknown |
| + | St Helen of Skovde, Widow (c. a.d. 1160) | July 31 | 12th-century |
| + | St Ignatius of Loyola {july 31 | July 31 | unknown |
| + | St Neot (date unknown) | July 31 | 9th-century |
| + | St Neot {july 31 | July 31 | unknown |
| + | St Aled, Eiluned or Almedha, Virgin and Martyr (sixth | August 1 | unknown |
| + | St Ethelwold, Bishop of Winchester (a.d. 984) | August 1 | 10th-century |
| + | St Alphonsus De' Liguori, Bishop of Sant' Agata dei Goti, | August 2 | 18th-century |
| + | St Alphonsus was born near Naples in 1696 ; his parents were Don | August 2 | 17th-century |
| + | St Stephen I, Pope (a.d. 257) | August 2 | 3rd-century |
| + | St Theodota, Martyr (a.d. 304 ?) | August 2 | 4th-century |
| + | Bd Augustine, Bishop of Lucera (a.d. 1323) | August 3 | 14th-century |
| + | St Germ Anus, Bishop of Auxerre (a.d. 448) | August 3 | 5th-century |
| + | St Peter Julian Eymard, Founder of the Priests of the | August 3 | 19th-century |
| + | St Waltheof or Walthen, Abbot of Melrose (c.a.d. 1160) | August 3 | 12th-century |
| + | St Dominic was born soon after 1170 at Calaruega, then Calaroga, in | August 4 | 12th-century |
| + | St Molua, or Lughaidh, Abbot (a.d. 608) | August 4 | 7th-century |
| + | St Afra, Martyr (a.d. 304) | August 5 | 4th-century |
| + | St Nonna, Matron (a.d. 374) | August 5 | 4th-century |
| + | St Hormisdas, Pope (a.d. 523) | August 6 | 6th-century |
| + | St Albert of Trapani (ad. 1307?) | August 7 | 14th-century |
| + | St Cajetan (gaetano) was son of Caspar, Count of Thiene, and Mary | August 7 | unknown |
| + | St Cajetan, Co-founder of the Theatine Clerks Regular (a.d. | August 7 | unknown |
| + | St Claudia, Matron (first century) | August 7 | 1st-century |
| + | St Dometius the Persian, Martyr (c. a.d. 362 ?) | August 7 | 4th-century |
| + | St Donatus, Bishop of Arezzo (a.d. 362) | August 7 | 4th-century |
| + | St Victricius, Bishop of Rouen (c. a.d. 407) | August 7 | 5th-century |
| + | Bd Joan of Aza, Matron (c. a.d. 1190) | August 8 | 12th-century |
| + | Bd John Felton, Martyr (ad. 1570) | August 8 | 16th-century |
| + | St Altman, Bishop of Passau (a.d. 1091) | August 8 | 11th-century |
| + | St Hormisdas, Martyr (c. a.d. 420) | August 8 | 5th-century |
| + | St John Vianney (a.d. 1859) | August 8 | 19th-century |
| + | Bd John of Rieti (c. ad. 1350) | August 9 | 14th-century |
| + | Bd John of Salerno (a.d. 1242) | August 9 | 13th-century |
| + | St Emygdius, Martyr (a.d. 304) | August 9 | 4th-century |
| + | St Laurence, Martyr (a.d. 258) | August 9 | 3rd-century |
| + | St Oswald of Northumbria, Martyr (ad. 642) | August 9 | 7th-century |
| + | St Romanus, Martyr (a.d. 258) | August 9 | 3rd-century |
| + | Bd Peter Favre (ad. 1546) | August 10 | 16th-century |
| + | St Alexander the Charcoal-burner, Bishop of | August 10 | 3rd-century |
| + | St Attracta, or Araght, Virgin (sixth Century ?) | August 10 | 6th-century |
| + | St Blaan, or Blane, Bishop (c. a.d. 590 ?) | August 10 | 6th-century |
| + | St Clare, Virgin, Foundress of the Poor Clares or Minoresses | August 10 | 13th-century |
| + | St Equitius, Abbot (c. a.d. 560) | August 10 | 6th-century |
| + | St Gaugericus, or Gery, Bishop of Cambrai (c. a.d. 625) | August 10 | 7th-century |
| + | St Lelia, Virgin (sixth Century ?) | August 10 | 6th-century |
| + | St Philomena or Philumena (date unknown) | August 10 | unknown |
| + | St Tiburtius is famous from an epitaph by Pope St Damasus, which, | August 10 | unknown |
| + | St Euplus, Martyr (a.d. 304) | August 12 | 4th-century |
| + | St Murtagh, or Mured Ach, Bishop (sixth Century ?) | August 12 | 6th-century |
| + | Bd Gertrude of Altenberg, Virgin (ad. 1297) | August 13 | 13th-century |
| + | Bd John of Alvernia (ad. 1322) | August 13 | 14th-century |
| + | Bd Novellone (ad. 1280) | August 13 | 13th-century |
| + | Bd William Freeman, Martyr (a.d. 1595) | August 13 | 16th-century |
| + | St Benildus | August 13 | unknown |
| + | St Benildus (a.d. 1862) | August 13 | 19th-century |
| + | St Cassian of Imola, Martyr (date unknown) | August 13 | unknown |
| + | St Hippolytus, Martyr (c. a.d. 235) | August 13 | 3rd-century |
| + | St Maximus the Confessor, Abbot (ad. 662) | August 13 | 7th-century |
| + | St Nerses Klaietsi, Katholikos of the Armenians (a.d. | August 13 | unknown |
| + | St Radegund, Matron (a.d. 587) | August 13 | 6th-century |
| + | St Simplician, Bishop of Milan (a.d. 400) | August 13 | 4th-century |
| + | St Wigbert, Abbot (c. a.d. 738) | August 13 | 8th-century |
| + | Bd Eberhard, Abbot (ad. 958) | August 14 | 10th-century |
| + | St Athanasia, Matron (c. a.d. 860) | August 14 | 9th-century |
| + | St Eusebius lived in Rome during the latter part of the fourth century, | August 14 | 4th-century |
| + | St Fachanan, Bishop (sixth century) | August 14 | 6th-century |
| + | St Marcellus, Bishop of Apamaea, Martyr (c. a.d. 389) | August 14 | 4th-century |
| + | St Arnulf, or Arnoul, Bishop of Soissons (a.d. 1087) | August 15 | 11th-century |
| + | St Tarsicius, Martyr (third century) | August 15 | 3rd-century |
| + | Bd Laurence Loricatus (a.d. 1243) | August 16 | 13th-century |
| + | St Armel, Abbot (c. a.d. 570) | August 16 | 6th-century |
| + | St Arsacius (ad. 358) | August 16 | 4th-century |
| + | St Joachim (first Century b.c.) | August 16 | 1st-century |
| + | Bd Angelo Augustine of Florence (ad. 1438) | August 17 | 15th-century |
| + | Bd Beatrice da Silva, Virgin, Foundress of the Concep- | August 17 | 15th-century |
| + | Bd Haymo of Savigliano (ad. 1495) | August 17 | 15th-century |
| + | Bd Joan Delanoue, Virgin, Foundress of the Sisters of St | August 17 | 18th-century |
| + | St Agapitus, Martyr (date unknown) | August 17 | unknown |
| + | St Alipius, Bishop of Tagaste (c. a.d. 430) | August 17 | 5th-century |
| + | St Clare of Montefalco, Virgin (a.d. 1308) | August 17 | 14th-century |
| + | St Eusebius, Pope (a.d. 310) | August 17 | 4th-century |
| + | St Helen, Widow (c. a.d. 330) | August 17 | 4th-century |
| + | St Hyacinth (in Polish, Jacek, a form of john) was a Silesian, born in | August 17 | unknown |
| + | St John Eudes, Founder of the Congregations of Jesus and | August 17 | 17th-century |
| + | St Mamas, Martyr (c. a.d. 275) | August 17 | 3rd-century |
| + | St Rock (c. a.d. 1378) | August 17 | 14th-century |
| + | Bd Emily of Vercelli, Virgin (ad. 1314) | August 19 | 14th-century |
| + | St Andrew the Tribune, Martyr (c. ad. 300) | August 19 | 3rd-century |
| + | St Bertulf, Abbot (a.d. 640) | August 19 | 7th-century |
| + | St Louis of Anjou, Bishop of Toulouse (a.d. 1297) | August 19 | 13th-century |
| + | St Mochta, Abbot (a.d. 535 ?) | August 19 | 6th-century |
| + | St Sebald (eighth Century ?) | August 19 | 8th-century |
| + | St Sixtus, or Xystus, Iii, Pope (a.d. 440) | August 19 | 5th-century |
| + | Bd Mary de Mattias, Virgin, Foundress of the Sisters | August 20 | 19th-century |
| + | St Amadour (no date) | August 20 | unknown |
| + | St Bernard was the third son of Tescelin Sorrel, a Burgundian noble, | August 20 | unknown |
| + | St Bernard, Abbot of Clair vaux, Doctor of the Church (a.d. | August 20 | unknown |
| + | St Jane Frances de Chantal, Widow, Co-foundress of | August 20 | unknown |
| + | St Oswin, Martyr (a.d. 651) | August 20 | 7th-century |
| + | St Philibert, Abbot (c, a.d. 685) | August 20 | 7th-century |
| + | Bd Bernard Tolomei, Abbot, Founder of the Benedictines | August 21 | 14th-century |
| + | Bd Humbeline, Matron (ad. 1135) | August 21 | 12th-century |
| + | St Abraham of Smolensk, Abbot (ad. 1221) | August 21 | 13th-century |
| + | St Sidonius Apollinaris, Bishop of Clermont (a.d. | August 21 | unknown |
| + | Bd John Kemble, Martyr (a.d. 1679) | August 22 | 17th-century |
| + | St Andrew of Fiesole (ninth Century ?) | August 22 | 9th-century |
| + | St Philip Benizi (ad. 1285) | August 22 | 13th-century |
| + | St Sigfrid, Abbot of Wearmouth (a.d. 690) | August 22 | 7th-century |
| + | Bd James of Bevagna (ad. 1301) | August 23 | 14th-century |
| + | St Bartholomew, Apostle (first century) | August 23 | 1st-century |
| + | St Eugene, or Eoghan, Bishop (sixth century) | August 23 | 6th-century |
| + | St Audoenus, or Ouen, Bishop of Rouen (a.d. 684) | August 24 | 7th-century |
| + | St Ebba, Abbess of Coldingham, Virgin (a.d. 683) | August 25 | 7th-century |
| + | St Genesius of Arles, Martyr (ad. 303 ?) | August 25 | 4th-century |
| + | St Genesius the Comedian, Martyr (no Date ?) | August 25 | unknown |
| + | St Gregory of Utrecht, Abbot (a.d. 775 ?) | August 25 | 8th-century |
| + | St Joan Antide-thouret, Virgin, Foundress of the Sisters | August 25 | 19th-century |
| + | St Louis of France (ad. 1270) | August 25 | 13th-century |
| + | St Mary Michaela Desmaisieres, Virgin, Foundress of | August 25 | 19th-century |
| + | St Mennas, Patriarch of Constantinople (a.d. 552) | August 25 | 6th-century |
| + | St Patricia, Virgin (date unknown) | August 25 | unknown |
| + | Bd Bernard of Offida (ad. 1694) | August 26 | 17th-century |
| + | Bd Herluin, Abbot (a.d. 1078) | August 26 | 11th-century |
| + | Bd John Wall, Martyr (a.d. 1679) | August 26 | 17th-century |
| + | Bd Thomas Percy, Martyr (ad. 1572) | August 26 | 16th-century |
| + | Bd Timothy of Montecchio (a.d. 1504) | August 26 | 16th-century |
| + | St Elizabeth Bichier des Ages \august 26 | August 26 | unknown |
| + | St Elizabeth Bichier des Ages, Virgin, Co-foundress | August 26 | 19th-century |
| + | St Joseph Calasanctius, Founder of the Clerks Regular | August 26 | 17th-century |
| + | St Zephyrinus succeeded St Victor I in the pontificate about the year | August 26 | unknown |
| + | Bd Angelo of Foligno (ad. 13 12) | August 27 | unknown |
| + | Bd David Lewis, Martyr (a.d. 1679) | August 27 | 17th-century |
| + | Bd Gabriel Mary (ad. 1532) | August 27 | 16th-century |
| + | St Caesarius, Bishop of Arles (a.d. 543) | August 27 | 6th-century |
| + | St Hugh of Lincoln (a.d. 1255) | August 27 | 13th-century |
| + | St Margaret the Barefooted, Widow (ad. 1395 ?) | August 27 | 14th-century |
| + | St Poemen, Abbot (fifth century) | August 27 | 5th-century |
| + | St Syagrius, Bishop of Autun (a.d. 600) | August 27 | 6th-century |
| + | Bd Edmund Arrowsmith, Martyr (ad. 1628) | August 28 | 17th-century |
| + | St Augustine, Bishop of Hippo, Doctor of the Church (a.d. | August 28 | unknown |
| + | St Augustine, who used commonly to be called Austin in English, was | August 28 | unknown |
| + | St Hermes, Martyr (second Century ?) | August 28 | 2nd-century |
| + | St Julian of Brioude, Martyr (third Century ?) | August 28 | 3rd-century |
| + | St Moses the Black (c. ad. 405) | August 28 | 5th-century |
| + | Bd Richard Herst, Martyr (a.d. 1628) | August 29 | 17th-century |
| + | St John the Baptist (c. ad. | August 29 | unknown |
| + | St Medericus, or Merry, Abbot (c. a.d. 700) | August 29 | 7th-century |
| + | St Sabina, Martyr (date unknown) | August 29 | 6th-century |
| + | Bd Bronislava, Virgin (ad. 1259) | August 30 | 13th-century |
| + | St Fantinus, Abbot (tenth century) | August 30 | 10th-century |
| + | St Pammachius (a.d. 410) | August 30 | 5th-century |
| + | St Raymund Nonnatus, Cardinal of the Holy Roman | August 30 | 13th-century |
| + | St Rose of Lima, Virgin (a.d. 1617) | August 30 | 17th-century |
| + | St Rumon, or Ruan (sixth Century ?) | August 30 | 6th-century |
| + | Bd Juvenal Ancina, Bishop of Saluzzo (a.d. 1604) | August 31 | 17th-century |
| + | St Aidan, Bishop of Lindisfarne (a.d. 651) | August 31 | 7th-century |
| + | St Paulinus, Bishop of Trier (a.d. 358) | August 31 | 4th-century |
| + | St Peter Ad Vincula | August 31 | unknown |
| + | Bd Gabra Michael, Martyr (a.d. 1855) | September 1 | 19th-century |
| + | Bd Hugh More, Martyr (a.d. 1588) | September 1 | 16th-century |
| + | Bd Joan Soderini, Virgin (ad. 1367) | September 1 | 14th-century |
| + | St Drithelm (c. ad. 700) | September 1 | 7th-century |
| + | St Fiacre (a.d. 670 ?) | September 1 | 7th-century |
| + | St Lupus, or Leu, Bishop of Sens (a.d. 623) | September 1 | 7th-century |
| + | St Sebbe (c. a.d. 694) | September 1 | 7th-century |
| + | St Verena, Virgin (date unknown) | September 1 | unknown |
| + | Bd Margaret of Louvain, Virgin and Martyr (a.d. 1225 ?) | September 2 | 13th-century |
| + | St Agricolus, Bishop of Avignon (seventh century) | September 2 | 7th-century |
| + | St Antoninus, Martyr (fourth century) | September 2 | 4th-century |
| + | St Brocard (ad. 1231 ?) | September 2 | 13th-century |
| + | St Castor, Bishop of Apt (c. a.d. 425) | September 2 | 5th-century |
| + | St Stephen of Hungary (ad. 1038) | September 2 | 11th-century |
| + | St William, Bishop of Roskilde (c. a.d. 1070) | September 2 | 11th-century |
| + | Bd Andrew of Borgo San Sepolcro (ad. 13 15) | September 3 | unknown |
| + | Bd Guala, Bishop of Brescia (a.d. 1244) | September 3 | 13th-century |
| + | St Aigulf, Martyr (c. a.d. 676) | September 3 | 7th-century |
| + | St Cuthburga, Abbess of Wimborne, Widow (c. a.d. 725) | September 3 | 8th-century |
| + | St Hildelitha, Abbess of Barking, Virgin (c. a.d. 717) | September 3 | 8th-century |
| + | St Laurence was born at Venice in 1381. His father, Bernard Gius- | September 3 | 14th-century |
| + | St Macanisius, Bishop (a.d. 514) | September 3 | 6th-century |
| + | St Phoebe (first century) | September 3 | 1st-century |
| + | St Pius X, Pope (a.d. 1914) | September 3 | 20th-century |
| + | St Remaclus, Bishop (c. a.d. 675) | September 3 | 7th-century |
| + | St Simeon Stylites the Younger (ad. 592) | September 3 | 6th-century |
| + | Bd Catherine of Racconigi, Virgin (ad. 1547) | September 4 | 16th-century |
| + | St Boniface I, Pope (a.d. 422) | September 4 | 5th-century |
| + | St Ida of Herzfeld, Widow (ad. 825) | September 4 | 9th-century |
| + | St Marinus (fourth Century ?) | September 4 | 4th-century |
| + | St Rosalia, Virgin (a.d. 1160?) | September 4 | 12th-century |
| + | St Rose of Viterbo, Virgin (a.d. 1252 ?) | September 4 | 13th-century |
| + | St Ultan, Bishop (a.d. 657) | September 4 | 7th-century |
| + | Bd Raymund Lull, Martyr (ad. 13 16) | September 5 | unknown |
| + | St Bertinus, Abbot (c. a.d. 700) | September 5 | 7th-century |
| + | Bd Bertrand of Garrigues (c. ad. 1230) | September 6 | 13th-century |
| + | Bd Gentilis, Martyr (a.d. 1340) | September 6 | 14th-century |
| + | St Bega, or Bee, Virgin (seventh century) | September 6 | 7th-century |
| + | St Chainoaldus, or Cagnoald, Bishop of Laon (c. a.d. | September 6 | unknown |
| + | St Eleutherius, Abbot (sixth century) | September 6 | 6th-century |
| + | Bd Liberatus of Loro (ad. 1258?) | September 7 | 13th-century |
| + | Bd Peregrine of Falerone (ad. 1240) | September 7 | 13th-century |
| + | St Anastasius the Fuller, Martyr (ad. 304 ?) | September 7 | 4th-century |
| + | St Clodoald, or Cloud (c. ad. 560) | September 7 | 6th-century |
| + | St Grimonia, Virgin and Martyr (date unknown) | September 7 | unknown |
| + | St John of Nicomedia, Martyr (ad. 303) | September 7 | 4th-century |
| + | St Regina or Reine, Virgin and Martyr (date unknown) | September 7 | unknown |
| + | St Sozon, Martyr (date unknown) | September 7 | unknown |
| + | St Corbinian, Bishop (a.d. 725) | September 8 | 8th-century |
| + | St Disibod (c. ad. 674) | September 8 | 7th-century |
| + | St Sergius I, Pope (a.d. 701) | September 8 | 8th-century |
| + | Bd Louisa of Savoy, Widow (ad. 1503) | September 9 | 16th-century |
| + | Bd Seraphina Sforza, Widow (c. a.d. 1478) | September 9 | 15th-century |
| + | St Audomarus, or Omer, Bishop of Therouanne (c. a.d. 670) | September 9 | 7th-century |
| + | St Bettelin (eighth century) | September 9 | 8th-century |
| + | St Gorgonius, Martyr (date unknown) | September 9 | unknown |
| + | St Isaac, or Sahak, I, Katholikos of the Armenians (a.d. | September 9 | 4th-century |
| + | St Kieran, or Ciaran, Abbot of Clonmacnois (a.d. 556 ?) | September 9 | 6th-century |
| + | St Peter Claver (ad. 1654) | September 9 | 17th-century |
| + | Bd Ambrose Barlow, Martyr (ad. 1641) | September 10 | 17th-century |
| + | Bd Bonaventure of Barcelona (ad. 1684) | September 10 | 17th-century |
| + | Bd John Gabriel Perboyre, Martyr (ad. 1840) | September 10 | 19th-century |
| + | Bd Louis of Thuringia (ad. 1227) | September 10 | 13th-century |
| + | St Aubert, Bishop of Avranches (c. a.d. 725 ?) | September 10 | 8th-century |
| + | St Deiniol, Bishop (c. a.d. 584 ?) | September 10 | 6th-century |
| + | St Finnian of Moville, Bishop (c. a.d. 579) | September 10 | 6th-century |
| + | St Nicholas of Tolentino (ad. 1305; | September 10 | 14th-century |
| + | St Paphnutius, Bishop (c. a.d. 350 ?) | September 10 | 4th-century |
| + | St Patiens, Bishop of Lyons (c. a.d. 480) | September 10 | 5th-century |
| + | St Peter of Chavanon (a.d. 1080) | September 10 | 11th-century |
| + | St Pulcheria, Virgin (a.d. 453) | September 10 | 5th-century |
| + | St Salvius, Bishop of Albi (a.d. 584) | September 10 | 6th-century |
| + | St Theodard, Bishop of Maestricht (a.d. 670 ?) | September 10 | 7th-century |
| + | St Theodora of Alexandria (no date) | September 10 | unknown |
| + | Bd Victoria Fornari-strata, Widow, Foundress of the | September 12 | 17th-century |
| + | St Ailbhe, Bishop (c. a.d. 526 ?) | September 12 | 6th-century |
| + | St Eanswida, Virgin (c. a.d. 640) | September 12 | 7th-century |
| + | St Guy of Anderlecht (c. ad. 1012) | September 12 | 11th-century |
| + | St Amatus, or Ame, Abbot (c. a.d. 630) | September 13 | 7th-century |
| + | St Amatus, or Ame, Bishop of Sion in Valais (c a.d. 690) | September 13 | 7th-century |
| + | St Eulogius, Patriarch of Alexandria (c. a.d. 607) | September 13 | 7th-century |
| + | St Maurilius, Bishop of Angers (a.d. 453) | September 13 | 5th-century |
| + | St Maternus, Bishop of Cologne (fourth century) | September 14 | 4th-century |
| + | St Notburga, Virgin (c. a.d. 13 13) | September 14 | unknown |
| + | St Aichardus, or Achard, Abbot (c. a.d. 687) | September 15 | 7th-century |
| + | St Catherine of Genoa, Widow (ad. 15 10) | September 15 | unknown |
| + | St Mirin (seventh Century ?) | September 15 | 7th-century |
| + | St Nicomedes, Martyr (date unknown) | September 15 | unknown |
| + | Bd Louis Allemand, Archbishop of Arles and Cardinal | September 16 | 15th-century |
| + | Bd Victor Iii, Pope (ad. 1087) | September 16 | 11th-century |
| + | Bd Vitalis of Savigny, Abbot (ad. 1122) | September 16 | 12th-century |
| + | St Cornelius, Pope and Martyr (a.d. 253) | September 16 | 3rd-century |
| + | St Cyprian, Bishop of Carthage, Martyr (a.d. 258) | September 16 | 3rd-century |
| + | St Edith of Wilton, Virgin (ad 984) | September 16 | 10th-century |
| + | St Euphemta, Virgin and Martyr (c. a.d. 303 ?) | September 16 | 4th-century |
| + | St Ludmila, Martyr (a.d. 921) | September 16 | 10th-century |
| + | St Ninian, Bishop (a.d. 432 ?) | September 16 | 5th-century |
| + | St Columba, Virgin and Martyr (a.d. 853) | September 17 | 9th-century |
| + | St Francis of Camporosso (a.d. 1866) (t ramj erred | September 17 | 19th-century |
| + | St Hildegard, Virgin (a.d. 1179) | September 17 | 12th-century |
| + | St Joseph of Cupertino (a.d. 1663) | September 17 | 17th-century |
| + | St Lambert, Bishop of Maestricht, Martyr (c. a.d. 705) | September 17 | 8th-century |
| + | St Peter Arbues, Martyr (a.d. 1485) | September 17 | 15th-century |
| + | St Satyrus (c. a.d. 379) | September 17 | 4th-century |
| + | Bd John Massias (ad. 1645) | September 18 | 17th-century |
| + | St Ferreolus, Martyr (third Century ?) | September 18 | 3rd-century |
| + | St Methodius of Olympus, Bishop and Martyr (c. ad. | September 18 | unknown |
| + | St Richardis, Widow (c. a.d. 895) | September 18 | 9th-century |
| + | Bd Alphonsus de Orozco (ad. 1591) | September 19 | 16th-century |
| + | St Emily de Rodat, Virgin, Foundress of the Congregation of | September 19 | 19th-century |
| + | St Goericus, or Abbo, Bishop of Metz (a.d. 647) | September 19 | 7th-century |
| + | St Januarius (gennaro), a native some say of Naples, others of Bene- | September 19 | unknown |
| + | St Mary of Cerevellon, Virgin (ad. 1290) | September 19 | 13th-century |
| + | St Sequanus, or Seine, Abbot (c. a.d. 580) | September 19 | 6th-century |
| + | St Theodore, Archbishop of Canterbury (a.d. 690) | September 19 | 7th-century |
| + | Bd Francis de Posadas (ad. 1713) | September 20 | 18th-century |
| + | St Eustace (eustachius, eustathius) is among the most famous martyrs | September 20 | unknown |
| + | St Matthew is called by two evangelists Levi, and by St Mark " the son | September 20 | unknown |
| + | St Vincent Madelgarius, Abbot (c. ad. 687) | September 20 | 7th-century |
| + | St Maura of Troyes, Virgin {c. a.d. 850) | September 21 | 9th-century |
| + | St Michael of Chernigov and St Theodore, Martyrs | September 21 | 13th-century |
| + | St Thomas of Villanova, Archbishop of Valencia (a.d. | September 21 | unknown |
| + | St Thomas, a glory of the Church of Spain, was born at Fuentellana in | September 21 | unknown |
| + | St Emmeramus, Bishop (seventh century) | September 22 | 7th-century |
| + | St Felix Iii (iv), Pope (a.d. 530) | September 22 | 6th-century |
| + | St Linus, Pope and Martyr (c. a.d. 79 ?) | September 22 | unknown |
| + | St Phocas the Gardener, Martyr (date unknown) | September 22 | unknown |
| + | St Salaberga, Matron, and St Bodo, Bishop (c. a.d. 665 | September 22 | 7th-century |
| + | St Thecla of Iconium, Virgin and Martyr (first | September 22 | unknown |
| + | Bd Helen of Bologna, Widow (a.d. 1520) | September 23 | 16th-century |
| + | Bd Mark of Modena (ad. 1498) | September 23 | 15th-century |
| + | St Adamnan, or Eunan, Abbot of Iona (a.d. 704) | September 23 | 8th-century |
| + | Bd Robert of Knaresborough (ad. 1218 ?) | September 24 | 13th-century |
| + | St Gerard, Bishop of Csanad, Martyr (a.d. 1046) | September 24 | 11th-century |
| + | St Geremarus, or Germer, Abbot (c. a.d. 658) | September 24 | 7th-century |
| + | St Pacifico of San Severino (ad. 1721) | September 24 | 18th-century |
| + | Bd Herman the Cripple (a.d. 1054) | September 25 | 11th-century |
| + | St Albert, Patriarch of Jerusalem (a.d. 1214) | September 25 | 13th-century |
| + | St Aunacharius, or Aunaire, bishop of Auxerre (a.d. | September 25 | unknown |
| + | St Cadoc, Abbot (c. a.d. 575) | September 25 | 6th-century |
| + | St Ceolfrid, Abbot of Wearmouth (a.d. 716) | September 25 | 8th-century |
| + | St Finbar, Bishop (c. a.d. 633) | September 25 | 7th-century |
| + | St Firminus, Bishop and Martyr (fourth Century ?) | September 25 | 4th-century |
| + | St Francis of Camporosso (see pp. 586-7 J | September 25 | 6th-century |
| + | St Sergius of Radonezh, Abbot (a.d. 1392) | September 25 | 14th-century |
| + | St Vincent Strambi, Bishop of Macerata and Tolentino | September 25 | 19th-century |
| + | Bd Dalmatius Moner (a.d. 1341) | September 26 | 14th-century |
| + | Bd Lucy of Caltagirone, Virgin (thirteenth century?) | September 26 | 13th-century |
| + | Bd Teresa Couderc, Virgin, Co-foundress of the Congrega- | September 26 | 19th-century |
| + | St Colman of Lann Elo, Abbot (ad. 611) | September 26 | 7th-century |
| + | St John of Med a (a.d. 1159?) | September 26 | 12th-century |
| + | St Nilus of Rossano, Abbot (a.d. 1004) | September 26 | 11th-century |
| + | St Elzear and Bd Delphina (ad. 1323 and 1360) | September 27 | 14th-century |
| + | St Wenceslaus of Bohemia, Martyr (ad. 929) | September 27 | 10th-century |
| + | Bd Bernardino of Feltre (ad. 1494) | September 28 | 15th-century |
| + | Bd Francis of Calderola (ad. 1507) | September 28 | 16th-century |
| + | Bd John of Dukla (ad. 1484) | September 28 | 15th-century |
| + | Bd Laurence of Ripafratta (ad. 1457) | September 28 | 15th-century |
| + | Bd Simon de Rojas (ad. 1624) | September 28 | 17th-century |
| + | St Annemund, Bishop of Lyons (a.d. 658) | September 28 | 7th-century |
| + | St Eustochium, Virgin (c. a.d. 419) | September 28 | 5th-century |
| + | St Exsuperius, Bishop of Toulouse (c. a.d. 412) | September 28 | 5th-century |
| + | St Faustus, Bishop of Riez (c. a.d. 493) | September 28 | 5th-century |
| + | St Lioba, Virgin (a.d. 780) | September 28 | 8th-century |
| + | Bd Charles of Blois (ad. 1364) | September 29 | 14th-century |
| + | Bd Richard of Hampole (ad. 1349) | September 29 | 14th-century |
| + | St Theodota, Martyr (c. a.d. 318?) | September 29 | 4th-century |
| + | St Gregory the Enlightener September 30 | September 30 | unknown |
| + | St Gregory the Enlightener, Bishop of Ashtishat | September 30 | 4th-century |
| + | St Honorius, Archbishop of Canterbury (a.d. 653) | September 30 | 7th-century |
| + | St Jerome, Doctor of the Church (a.d. 420) | September 30 | 5th-century |
| + | St Simon of Cr&py (a.d. 1082) | September 30 | 11th-century |
| + | St Giles, Abbot (date unknown) | September 31 | unknown |
| + | Bd Francis of Pesaro {c. ad. 1350) | October 1 | 14th-century |
| + | Bd Nicholas of Forca Palena (ad. 1449) | October 1 | 15th-century |
| + | St Bavo (c. a.d. 655) | October 1 | 7th-century |
| + | St Melorus, Melar or Mylor, Martyr (date unknown) | October 1 | unknown |
| + | St Remigius, the great apostle of the Franks, was illustrious for his | October 1 | unknown |
| + | St Romanus the Melodist (sixth century) | October 1 | 6th-century |
| + | St Eleutherius, Martyr (date unknown) | October 2 | unknown |
| + | St Leodegarius, or Leger, Bishop of Autun, Martyr (a.d. | October 2 | unknown |
| + | Bd Dominic Spadafora (ad. 1521) | October 3 | 16th-century |
| + | St Froilan, Bishop of Leon, and St Attilanus, Bishop of | October 3 | 10th-century |
| + | St Gerard of Brogne, Abbot (a.d. 959) | October 3 | 10th-century |
| + | St Hesychius (fourth century) | October 3 | 4th-century |
| + | St Teresa of Lisieux, Virgin (a.d. 1897) | October 3 | 19th-century |
| + | St Thomas Cantelupe, Bishop of Hereford (a.d. 1282) | October 3 | 13th-century |
| + | St Ammon (c. ad. 350) | October 4 | 4th-century |
| + | St Francis of Assisi, Founder of the Friars Minor (a.d. | October 4 | unknown |
| + | St Petronius, Bishop of Bologna (c. a.d. 445) | October 4 | 5th-century |
| + | Bd Raymund of Capua (ad. 1399) | October 5 | 14th-century |
| + | St Apollinaris, Bishop of Valence (c a.d. 520) | October 5 | 6th-century |
| + | St Flora of Beaulieu, Virgin (ad. 1347) | October 5 | 14th-century |
| + | St Galla, Widow (c a.d. 550) | October 5 | 6th-century |
| + | St Magenulf, or Meinulf (c. ad. 857) | October 5 | 9th-century |
| + | St Placid, Martyr (sixth century) | October 5 | 6th-century |
| + | St Bruno, Founder of the Carthusian Order (a.d. iioi) | October 6 | unknown |
| + | St Faith, Virgin and Martyr (third Century ?) | October 6 | 3rd-century |
| + | St Mary Frances of Naples, Virgin (ad. 1791) | October 6 | 18th-century |
| + | St Nicetas of Constantinople (c. a.d. 838) | October 6 | 9th-century |
| + | Bd Matthew of Mantua (ad. 1470) | October 7 | 15th-century |
| + | St Artaldus, or Arthaud, Bishop of Belley (a.d. 1206) | October 7 | 13th-century |
| + | St Birgitta, more commonly called Bridget, was daughter of Birger, | October 7 | unknown |
| + | St Bridget, Widow, Foundress of the Order of the Most Holy | October 7 | 14th-century |
| + | St Justina, Virgin and Martyr (date unknown) | October 7 | 7th-century |
| + | St Mark, Pope (a.d. 336) | October 7 | 4th-century |
| + | St Osyth, Virgin and Martyr (c. a.d. 675 ?) | October 7 | 7th-century |
| + | St Demetrius, Martyr (date unknown) | October 8 | 5th-century |
| + | St Keyne, Virgin (sixth Century ?) | October 8 | 6th-century |
| + | St Pelagia the Penitent (no date) | October 8 | unknown |
| + | St Reparata, Virgin and Martyr (date unknown) | October 8 | unknown |
| + | St Thais (no date) | October 8 | 4th-century |
| + | Bd Gunther (a.d. 1045) | October 9 | 11th-century |
| + | St Demetrius, Bishop of Alexandria (a.d. 231) | October 9 | 3rd-century |
| + | St Dionysius the Areopagite (first century) | October 9 | 1st-century |
| + | St Gislenus, or Ghislain, Abbot (c. a.d. 680) | October 9 | 7th-century |
| + | St John Leonardi, Founder of the Clerks Regular of the | October 9 | 17th-century |
| + | St Louis Bertrand (ad. 1581) | October 9 | 16th-century |
| + | St Publia, Widow (r. a.d. 370) | October 9 | 4th-century |
| + | St Savin (fifth Century ?) | October 9 | 5th-century |
| + | Bd James of Ulm (ad. 1491) | October 10 | 15th-century |
| + | Bd Mary Soledad, Virgin, Foundress of the Handmaids of | October 10 | 19th-century |
| + | St Agilbert, Bishop of Paris (c. a.d. 685) | October 10 | 7th-century |
| + | St Alexander Sauli, Bishop of Pavia (a.d. 1592) | October 10 | 16th-century |
| + | St Bruno the Great, Archbishop of Cologne (a.d. 965) | October 10 | 10th-century |
| + | St Canice, or Kenneth, Abbot (c. a.d. 599) | October 10 | 6th-century |
| + | St Cerbonius, Bishop of Populonia (c. a.d. 575) | October 10 | 6th-century |
| + | St Francis Borgia (ad. 1572) | October 10 | 16th-century |
| + | St Gummarus, or Gommaire (c. ad. 774) | October 10 | 8th-century |
| + | St Maharsapor, Martyr (a.d. 421) | October 10 | 5th-century |
| + | St Maximilian, Bishop of Lorch, Martyr (a.d. 284 ?) | October 10 | 3rd-century |
| + | St Nectarius, Archbishop of Constantinople (a.d. 397) | October 10 | 4th-century |
| + | St Paulinus, Bishop of York (a.d. 644) | October 10 | 7th-century |
| + | St Edward the Confessor (ad. 1066) | October 12 | 11th-century |
| + | St Edwin, Martyr (a.d. 633) | October 12 | 7th-century |
| + | St Ethelburga, Abbess of Barking, Virgin (c. a.d. 678) | October 12 | 7th-century |
| + | St Wilfrid, Bishop of York (a.d. 709) | October 12 | 8th-century |
| + | Bd Magdalen Panattieri, Virgin (ad. 1503) | October 13 | 16th-century |
| + | St Coloman, Martyr (a.d. 1012) | October 13 | 11th-century |
| + | St Comgan, Abbot (eighth century) | October 13 | 8th-century |
| + | St Gerald of Aurillac (a.d. 909) | October 13 | 10th-century |
| + | St Maurice of Carnoet, Abbot (a.d. 1191) | October 13 | 12th-century |
| + | St Angadrisma, Virgin (c. a.d. 695) \ | October 14 | 7th-century |
| + | St Burchard, Bishop of Wurzburg (a.d. 754) | October 14 | 8th-century |
| + | St Callistus, or Calixtus, I, Pope and Martyr (c a.d. | October 14 | unknown |
| + | St Dominic Loricatus (a.d. 1060) | October 14 | 11th-century |
| + | St Justus, Bishop of Lyons (c. a.d. 390) | October 14 | 4th-century |
| + | St Manechildis, Virgin (sixth Century ?) | October 14 | 6th-century |
| + | St Bercharius, Abbot (a.d. 696 ?) | October 15 | 7th-century |
| + | St Euthymius the Younger, Abbot (a.d. 898) | October 15 | 9th-century |
| + | St Gall (c. a.d. 635) | October 15 | 7th-century |
| + | St Hedwig, Widow (a.d. 1243) | October 15 | 13th-century |
| + | St Leonard of Vandceuvre, Abbot (c. ad. 570) | October 15 | 6th-century |
| + | St Lull, Bishop of Mainz (a.d. 786) | October 15 | 8th-century |
| + | St Mommolinus, Bishop of Noyon (c. a.d. 686) | October 15 | 7th-century |
| + | St Teresa of Avila, Virgin, Foundress of the Discalced | October 15 | 16th-century |
| + | St Teresa, one of the greatest, most attractive and widely appreciated | October 15 | unknown |
| + | St Thecla of Kitzingen, Virgin (c. ad. 790) | October 15 | 8th-century |
| + | St Anastasius of Cluny (c. ad. 1085) | October 16 | 11th-century |
| + | St Bertrand, Bishop of Comminges (a.d. 1123) | October 16 | 12th-century |
| + | St Gerard Majella (ad. 1755) | October 16 | 18th-century |
| + | St Anstrudis, or Austrude, Virgin (c. a.l>. 70c) | October 17 | unknown |
| + | St John the Dwarf (fifth century) | October 17 | 5th-century |
| + | St Justus of Beauvais, Martyr (date unknown) | October 17 | unknown |
| + | St Luke, Evangelist (first century) | October 17 | 1st-century |
| + | St Margaret Mary, Virgin (a.d. 1690) | October 17 | 17th-century |
| + | St Nothelm, Archbishop of Canterbury (c. a.d. 740) | October 17 | 8th-century |
| + | St Seraphino (a.d. 1604) | October 17 | 17th-century |
| + | Bd Philip Howard, Martyr (ad. 1595) | October 19 | 16th-century |
| + | Bd Thomas of Biville (ad. 1257) | October 19 | 13th-century |
| + | St Aquilinus, Bishop of Evreux (c. a.d. 695) | October 19 | 7th-century |
| + | St Ethbin (sixth century) | October 19 | 6th-century |
| + | St Frideswide, Virgin (a.d. 735 ?) | October 19 | 8th-century |
| + | St Peter of Alcantara (a.d. 1562) | October 19 | 16th-century |
| + | St Varus, Martyr, and St Cleopatra, Widow (fourth | October 19 | unknown |
| + | Bd Mary Teresa de Soubiran, Virgin, Foundress of thf | October 20 | 19th-century |
| + | St Acca, Bishop of Hexham (a.d. 740) | October 20 | 8th-century |
| + | St Andrew of Crete, Martyr (a.d. 766) | October 20 | 8th-century |
| + | St Artemius, Martyr (a.d. 363) | October 20 | 4th-century |
| + | St Bertilla Boscardin, Virgin (a.d. 1922) | October 20 | 20th-century |
| + | St Caprasius, Martyr (third Century ?) | October 20 | 3rd-century |
| + | St Hilarion, Abbot (c. a.d. 371) | October 20 | 4th-century |
| + | St John of Kanti (ad. 1473) | October 20 | 15th-century |
| + | Bd James Strepar, Archbishop of Galich (c. a.d. 1409) | October 21 | 15th-century |
| + | Bd Matthew, Bishop of Girgenti (a.d. 1450) | October 21 | 15th-century |
| + | Bd Peter of Tiferno (a.d. 1445) | October 21 | 15th-century |
| + | St Condedus (c. ad. 685) | October 21 | 7th-century |
| + | St Fintan, or Munnu, of Taghmon, Abbot (r. a.tx | October 21 | unknown |
| + | St John of Bridlington (ad. 1379) | October 21 | 14th-century |
| + | St Malghus (fourth century) | October 21 | 4th-century |
| + | St Abercius, Bishop of Hieropolis (c. a.d. 200) | October 22 | 2nd-century |
| + | St Antony Claret, Archbishop of Santiago de Cuba, | October 22 | 19th-century |
| + | St Donatus, Bishop of Fiesole (c. a.d. 876) | October 22 | 9th-century |
| + | St Mallonus, or Mellon, Bishop of Rouen (fourth | October 22 | unknown |
| + | Bd Bartholomew, Bishop of Vicenza (a.d. 1271) | October 23 | 13th-century |
| + | Bd John Buoni (a.d. 1249) | October 23 | 13th-century |
| + | St Allucio (a.d. 1134) | October 23 | 12th-century |
| + | St Ignatius, Patriarch of Constantinople (a.d. 877) | October 23 | 9th-century |
| + | St Rom Anus, Bishop of Rouen (c. a.d. 640) | October 23 | 7th-century |
| + | St Severinus Boethius, Martyr (a.d. 524) | October 23 | 6th-century |
| + | St Severinus, or Seurin, Bishop of Bordeaux (c. a.d. | October 23 | unknown |
| + | St Theodoret, Martyr (ad. 362) | October 23 | 4th-century |
| + | Bd John Angelo Porro (a.d. 1506) | October 24 | 16th-century |
| + | St Evergislus, Bishop of Cologne (c. a.d. 600) | October 24 | 6th-century |
| + | St Felix, Bishop of Thibiuca, Martyr (a.d. 303) | October 24 | 4th-century |
| + | St Maglorius, or Maelor, Bishop of Dol (sixth | October 24 | unknown |
| + | St Martin of Vertou, Abbot (sixth century) | October 24 | 6th-century |
| + | St Martin, or Mark (c. a.d. 580) | October 24 | 6th-century |
| + | St Proclus, Archbishop of Constantinople (a.d. 446) | October 24 | 5th-century |
| + | St Raphael the Archangel | October 24 | unknown |
| + | St Senoch, Abbot (a.d. 576) | October 24 | 6th-century |
| + | Bd Balthasar of Chiavari (ad. 1492) | October 25 | 15th-century |
| + | Bd Christopher of Romagnola (ad. 1272) | October 25 | 13th-century |
| + | Bd Richard Gwyn, Martyr (ad. 1584) | October 25 | 16th-century |
| + | Bd Thaddeus, Bishop of Cork and Cloyne (a.d. 1497) | October 25 | 15th-century |
| + | Bd Thomas of Florence (a.d. 1447) | October 25 | 15th-century |
| + | St Gaudentius, Bishop of Brescia (c. a.d. 410) | October 25 | 5th-century |
| + | Bd Bonaventure of Potenza (ad. 171 i) | October 26 | 2nd-century |
| + | Bd Damian of Finario (ad. 1484) | October 26 | 15th-century |
| + | St Bean, Bishop of Mortlach (eleventh century) | October 26 | 11th-century |
| + | St Cedd, Bishop of the East Saxons (a.d. 664) | October 26 | 7th-century |
| + | St Eata, Bishop of Hexham (a.d. 686) | October 26 | 7th-century |
| + | St Evaristus succeeded St Clement in the see of Rome in the reign of | October 26 | unknown |
| + | St Rusticus, Bishop of Narbonne (c. a.d. 461) | October 26 | 5th-century |
| + | Bd Contardo Ferrini (a.d 1902) | October 27 | 20th-century |
| + | St Frumentius, Bishop of Aksum (c. a.d. 380) | October 27 | 4th-century |
| + | St Otteran, or Odhran, Abbot (a.d. 563) | October 27 | 6th-century |
| + | St Simon is surnamed the Cananean or Zelotes in the Holy Scriptures, | October 27 | unknown |
| + | St Faro, Bishop of Meaux (c a.d. 672) | October 28 | 7th-century |
| + | St Fidelis of Como, Martyr (ad. 303 ?) | October 28 | 4th-century |
| + | St Narcissus was already very old when he was placed at the head of | October 28 | unknown |
| + | St Salvius, or Saire (sixth Century ?) | October 28 | 6th-century |
| + | St Theuderius, or Chef, Abbot (c. a.d. 575) | October 28 | 6th-century |
| + | St Abraham of Rostov, Abbot (twelfth century) | October 29 | 12th-century |
| + | St Colman of Kilmacduagh, Bishop (c. ad. 632) | October 29 | 7th-century |
| + | St Serapion, Bishop of Antioch (c. a.d. 212) | October 29 | 3rd-century |
| + | Bd Angelo of Acri (ad. 1739) | October 30 | 18th-century |
| + | Bd Benvenuta of Cividale, Virgin (ad. 1292) | October 30 | 13th-century |
| + | Bd Dorothy of Montau, Widow (a.d. 1394) | October 30 | 14th-century |
| + | Bd John Slade, Martyr (a.d. 1583) | October 30 | 16th-century |
| + | St Alphonsus Rodriguez (ad. 1617) | October 30 | 17th-century |
| + | St Asterius, Bishop of Amasea (c. a.d. 410) | October 30 | 5th-century |
| + | St Ethelnoth, Archbishop of Canterbury (a.d. 1038) | October 30 | 11th-century |
| + | St Germ Anus, Bishop of Capua (c. a.d. 540) | October 30 | 6th-century |
| + | St Marcellus the Centurion, Martyr (ad. 298) | October 30 | 3rd-century |
| + | St Quintinus was a Roman who, his legend tells us, left his country | October 30 | unknown |
| + | St Foillan, Abbot (c. a.d. 655) | October 31 | 7th-century |
| + | St Wolfgang, Bishop of Regensburg (a.d. 994) | October 31 | 10th-century |
| + | St Austremonius, Bishop of Clermont (fourth Century ?) | November 1 | 4th-century |
| + | St Benignus of Dijon, Martyr (third Century ?) | November 1 | 3rd-century |
| + | St Cadfan, Abbot (sixth century) | November 1 | 6th-century |
| + | St Marcellus, Bishop of Paris (c. a.d. 410 ?) | November 1 | 5th-century |
| + | St Mary, Virgin and Martyr (fourth Century ?) | November 1 | 4th-century |
| + | St Maturinus, or Mathurin (fourth Century ?) | November 1 | 4th-century |
| + | St Vigor, Bishop of Bayeux (c. a.d. 537) | November 1 | 6th-century |
| + | Bd John Bodey, Martyr (ad. 1583) | November 2 | 16th-century |
| + | Bd Thomas of Walden (a.d. 1430) | November 2 | 15th-century |
| + | St Marcian (c. a.d. 387) | November 2 | 4th-century |
| + | St Victorinus, Bishop of Pettau, Martyr (c. a.d. 303) | November 2 | 4th-century |
| + | St Winifred, or Gwenfrewi, Virgin and Martyr (c. a.d. | November 2 | unknown |
| + | Bd Alpais, Virgin (a.d. 121 1) | November 3 | 2nd-century |
| + | Bd Ida of Toggenburg, Matron (a.d. 1226) | November 3 | 13th-century |
| + | Bd Simon of Rimini (ad. 13 19) | November 3 | unknown |
| + | St Amicus (c. a.d. 1045) | November 3 | 11th-century |
| + | St Hubert, Bishop of Liege (a.d. 727) | November 3 | 8th-century |
| + | St Malachy, Archbishop of Armagh (a.d. 1148) | November 3 | 12th-century |
| + | St Pirminus, Bishop (a.d. 753) | November 3 | 8th-century |
| + | St Rumwald (seventh Century ?) | November 3 | 7th-century |
| + | Bd Emeric (a.d. 103 1) | November 4 | 2nd-century |
| + | Bd Frances D'amboise, Widow (a.d. 1485) | November 4 | 15th-century |
| + | St Charles Borromeo, Archbishop of Milan and Cardinal | November 4 | 16th-century |
| + | St Clarus, Martyr (eighth Century ?) | November 4 | 8th-century |
| + | St Joannicius (a.d. 846) | November 4 | 9th-century |
| + | St Pierius (c. a.d. 310) | November 4 | 4th-century |
| + | Bd Gomidas Keumurgian, Martyr (ad. 1707) | November 5 | 18th-century |
| + | St Bertilla, Virgin (a.d. 705 ?) | November 5 | 8th-century |
| + | St Leonard of Noblac (sixth Century ?) | November 5 | 6th-century |
| + | St Martin de Porres (ad. 1639) | November 5 | 17th-century |
| + | Bd Christina of Stommeln, Virgin (ad. 1312) | November 6 | 14th-century |
| + | Bd Joan Mary de Maille, Widow (a.d. 1414) | November 6 | 15th-century |
| + | Bd Margaret of Lorraine, Widow (a.d. 1521) | November 6 | 16th-century |
| + | Bd Nonius (a.d. 143 i) | November 6 | 2nd-century |
| + | St Barlaam of Khutyn, Abbot (ad. 1193) | November 6 | 12th-century |
| + | St Demetrian, Bishop of Khytri (c. a.d. 912) | November 6 | 10th-century |
| + | St Herculanus, Bishop of Perugia, Martyr (c. a.d. 547) | November 6 | 6th-century |
| + | St Illtud, or Illtyd, Abbot (sixth century) | November 6 | 6th-century |
| + | St Melaine, Bishop of Rennes (c. a.d. 530) | November 6 | 6th-century |
| + | St Winnoc, Abbot (a.d. 717 ?) | November 6 | 8th-century |
| + | Bd Antony Baldinucci (ad. 1717) | November 7 | 18th-century |
| + | Bd Helen of Arcella, Virgin (ad. 1242) | November 7 | 13th-century |
| + | Bd Margaret Colonna, Virgin (ad. 1280) | November 7 | 13th-century |
| + | Bd Matthia of Matelica, Virgin (ad. 1300) | November 7 | 13th-century |
| + | Bd Peter of Ruffia, Martyr (ad. 1365) | November 7 | 14th-century |
| + | St Engelbert, Archbishop of Cologne, Martyr (a.d. 1225) | November 7 | 13th-century |
| + | St Florentius, Bishop of Strasburg (seventh century) | November 7 | 7th-century |
| + | St Willibrord, Bishop of Utrecht (a.d. 739) | November 7 | 8th-century |
| + | St Cybi, or Cuby, Abbot (sixth century) | November 8 | 6th-century |
| + | St Deusdedit, Pope (a.d. 618) | November 8 | 7th-century |
| + | St Godfrey, Bishop of Amiens (a.d. 1115) | November 8 | 12th-century |
| + | St Theodore Tiro, Martyr (c. ad. 306 ?) | November 8 | 4th-century |
| + | St Tysilio, or Suliau, Abbot (seventh Century ?) | November 8 | 7th-century |
| + | St Willehad, Bishop of Bremen (a.d. 789) | November 8 | 8th-century |
| + | Bd George Napper, Martyr (a.d. 1610) | November 9 | 17th-century |
| + | St Andrew Avellino was a native of Castronuovo, a small town in | November 9 | unknown |
| + | St Benignus, or Benen, Bishop (a.d. 467) | November 9 | 5th-century |
| + | St Vitonus, or Vanne, Bishop of Verdun (c. a.d. 525) | November 9 | 6th-century |
| + | St Aedh Mac Bricc, Bishop (ad. 589) | November 10 | 6th-century |
| + | St Bartholomew of Grottaferrata, Abbot (c. | November 10 | unknown |
| + | St Justus, Archbishop of Canterbury (c. a.d. 627) | November 10 | 7th-century |
| + | St Martin was a native of Todi in Umbria, renowned among the clergy | November 10 | unknown |
| + | St Martin, Bishop of Tours (a.d. 397) | November 10 | 4th-century |
| + | St Mennas, Martyr (date unknown) | November 10 | unknown |
| + | St Theoctista, Virgin (no date) | November 10 | unknown |
| + | St Theodore the Studite, Abbot (ad. 826) | November 10 | 9th-century |
| + | Bd Gabriel of Ancona (ad. 1456) | November 12 | 15th-century |
| + | Bd John Della Pace (c. ad. 1332) | November 12 | 14th-century |
| + | Bd Rainerius of Arezzo (ad. 1304) | November 12 | 14th-century |
| + | St Astrik, or Anastasius, Archbishop of the Hungarians | November 12 | unknown |
| + | St Cumian, Abbot (c. a.d. 665) | November 12 | 7th-century |
| + | St Cunibert, Bishop of Cologne (c. a.d. 663) | November 12 | 7th-century |
| + | St Didacus, or Diego (ad. 1463) | November 12 | 15th-century |
| + | St Emilian Cucullatus, Abbot (ad. 574) | November 12 | 6th-century |
| + | St Lebuin, or Liafwine (c. a.d. 773) | November 12 | 8th-century |
| + | St Machar. Bishop (sixth century) | November 12 | 6th-century |
| + | St Nilus the Elder (c. ad. 430) | November 12 | 5th-century |
| + | St Abbo of Fleury, Abbot (ad. 1004) | November 13 | 11th-century |
| + | St Brice, Bishop of Tours (a.d. 444) | November 13 | 5th-century |
| + | St Homobonus (ad. 1197) | November 13 | 12th-century |
| + | St Josaphat, Archbishop of Polotsk, Martyr (a.d. 1623) | November 13 | 17th-century |
| + | St Kilian (seventh century) | November 13 | 7th-century |
| + | St Maxellendis, Virgin and Martyr (c. a.d. 670) | November 13 | 7th-century |
| + | St Nicholas I, Pope (a.d. 867) | November 13 | 9th-century |
| + | St Stanislaus Kostka (a.d. 1568) | November 13 | 16th-century |
| + | Bd John Liccio (a.d. 151 i) | November 14 | 2nd-century |
| + | Bd Serapion, Martyr (a.d. 1240) | November 14 | 13th-century |
| + | St Albert the Great, Bishop of Regensburg, Doctor of | November 14 | 13th-century |
| + | St Dubricius, or Dyfrig, Bishop (sixth century) | November 14 | 6th-century |
| + | St Laurence O'toole, Archbishop of Dublin (a.d. 1180) | November 14 | 12th-century |
| + | St Desiderius, or Didier, Bishop of Cahors (a.d. 655) | November 15 | 7th-century |
| + | St Fintan of Rheinau (ad. 879) | November 15 | 9th-century |
| + | St Leopold of Austria (ad. 1136) | November 15 | 12th-century |
| + | St Malo, Bishop (seventh century) | November 15 | 7th-century |
| + | Bd Gratia of Cattaro (ad. 1508) | November 16 | 16th-century |
| + | Bd Louis Morbioli (a.d. 1485) | November 16 | 15th-century |
| + | Bd Lucy of Narni, Virgin (ad. 1544) | November 16 | 16th-century |
| + | St Afan, Bishop (sixth Century ?) | November 16 | 6th-century |
| + | St Agnes of Assisi, Virgin (a.d. 1253) | November 16 | 13th-century |
| + | St Edmund of Abingdon, Archbishop of Canterbury | November 16 | 13th-century |
| + | St Eucherius, Bishop of Lyons (a.d. 449) | November 16 | 5th-century |
| + | Bd Elizabeth the Good, Virgin (ad. 1420) | November 17 | 15th-century |
| + | Bd Joan of Signa, Virgin (a.d. 1307) | November 17 | 14th-century |
| + | Bd Philippine Duchesne, Virgin (a.d. 1852) | November 17 | 19th-century |
| + | Bd Salome, Widow (a.d. 1268) | November 17 | 13th-century |
| + | St Anianus, or Aignan, Bishop of Orleans (c. a.d. 453) | November 17 | 5th-century |
| + | St Dionysius, Bishop of Alexandria (a.d. 265) | November 17 | 3rd-century |
| + | St Gregory the Wonderworker, Bishop of Neocaesarea | November 17 | 3rd-century |
| + | St Gregory, Bishop of Tours (a.d. 594) | November 17 | 6th-century |
| + | St Hilda, Abbess of Whitby, Virgin (a.d. 680) | November 17 | 7th-century |
| + | St Hugh, Bishop of Lincoln (a.d. 1200) | November 17 | 12th-century |
| + | St Paul | November 17 | unknown |
| + | St Mawes, or Maudez, Abbot (sixth Century ?) | November 18 | 6th-century |
| + | St Odo of Cluny, Abbot (a.d. 942) | November 18 | 10th-century |
| + | St Romanus of Antioch, Martyr (ad. 304) | November 18 | 4th-century |
| + | St Elizabeth of Hungary, Widow (ad. 123 i) | November 19 | 2nd-century |
| + | St Nerses I, Katholikos of the Armenians, Martyr (c. a.d. | November 19 | unknown |
| + | St Pontian, Pope and Martyr (c. a.d. 236) | November 19 | 3rd-century |
| + | Bd Ambrose of Camaldoli, Abbot (ad. 1439) | November 20 | 15th-century |
| + | St Barlaam, Martyr (fourth Century ?) | November 20 | 4th-century |
| + | St Bernward, Bishop of Hildesheim (a.d. 1022) | November 20 | 11th-century |
| + | St Dasius, Martyr (a.d. 303 ?) | November 20 | 4th-century |
| + | St Edmund the Martyr (a.d. 870) | November 20 | 9th-century |
| + | St Felix of Valois, Co-founder of the Order of the Most | November 20 | 13th-century |
| + | St Maxentia, Virgin and Martyr (no date) | November 20 | unknown |
| + | St Albert of Louvain, Bishop of Liege, Martyr (a.d. | November 21 | 12th-century |
| + | St Gelasius I, Pope (a.d. 496) | November 21 | 5th-century |
| + | St Cecilia, or Cecily, Virgin and Martyr (date unknown) | November 22 | unknown |
| + | St Clement I, Pope and Martyr (c. a.d 99) | November 22 | unknown |
| + | St Amphilochius, Bishop of Iconium (c. a.d. 400) | November 23 | 4th-century |
| + | St Clement I {november 23 | November 23 | unknown |
| + | St Columban, Abbot of Luxeuil and Bobbio (a.d. 615) | November 23 | 7th-century |
| + | St Gregory, Bishop of Girgenti (c. a.d. 603) | November 23 | 7th-century |
| + | St Trudo, or Trond (c. a.d. 690) | November 23 | 7th-century |
| + | St Chrysogonus, Martyr (c. a.d. 304 ?) | November 24 | 4th-century |
| + | St Colman of Cloyne, Bishop (sixth century) | November 24 | 6th-century |
| + | St John of the Cross, Doctor of the Church (a.d. | November 24 | unknown |
| + | St Catherine of Alexandria, Virgin and Martyr | November 25 | 10th-century |
| + | St Mercurius, Martyr (date unknown) | November 25 | unknown |
| + | Bd James, Bishop of Mantua (a.d. 1338) | November 26 | 14th-century |
| + | Bd Pontius of Faucigny, Abbot (a.d. 1178) | November 26 | 12th-century |
| + | St Basolus, or Basle (c. ad. 620) | November 26 | 7th-century |
| + | St Conrad, Bishop of Constance (a.d. 975) | November 26 | 10th-century |
| + | St John Berchmans (a.d. 1621) | November 26 | 17th-century |
| + | St Leonard of Port Maurice (a.d. 175 i) | November 26 | 2nd-century |
| + | St Moses, Martyr (a.d. 251) | November 26 | 3rd-century |
| + | St Nikon "metanoeite" (a.d. 998) | November 26 | 10th-century |
| + | St Peter, Bishop of Alexandria, Martyr (a.d. 311) | November 26 | 4th-century |
| + | St Silvester Gozzolini, Abbot, Founder of the Silvestrine | November 26 | 13th-century |
| + | St Siricius, Pope (a.d. 399) | November 26 | 4th-century |
| + | Bd Bernardino of Fossa (ad. 1503) | November 27 | 16th-century |
| + | St Cungar, Abbot (sixth century) | November 27 | 6th-century |
| + | St Fergus, Bishop (eighth Century ?) | November 27 | 8th-century |
| + | St James Intercisus, Martyr (c. a.d. 421) | November 27 | 5th-century |
| + | St Maximus, Bishop of Riez (c. a.d. 460) | November 27 | 5th-century |
| + | St Secundinus, or Sechnall, Bishop (a.d. 447) | November 27 | 5th-century |
| + | St Virgil, Bishop of Salzburg (a.d. 784) | November 27 | 8th-century |
| + | Bd Humilis of Bisignano (ad. 1637) | November 28 | 17th-century |
| + | Bd James Thompson, Martyr (ad. 1582) | November 28 | 16th-century |
| + | St Catherine Laboure, Virgin (ad. 1876) | November 28 | 19th-century |
| + | St James of the March (ad. 1476) | November 28 | 15th-century |
| + | St Joseph Pignatelli (ad. 181 1) | November 28 | 2nd-century |
| + | St Simeon Metaphrastes {c. ad. 1000) | November 28 | 10th-century |
| + | St Stephen, surnamed the Younger, one of the most renowned martyrs | November 28 | unknown |
| + | Bd Cuthbert Mayne, Martyr (ad. 1577) | November 29 | 16th-century |
| + | Bd Francis Antony of Lucera (ad. 1742) | November 29 | 18th-century |
| + | Bd Frederick of Regensburg (a.d. 1329) | November 29 | 14th-century |
| + | St Radbod, Bishop of Utrecht (a.d. 918) | November 29 | 10th-century |
| + | St Saturninus, Martyr (c. a.d. 309) | November 29 | 4th-century |
| + | St Saturninus, or Sernin, Bishop of Toulouse, Martyr | November 29 | 3rd-century |
| + | Bd Andrew of Antioch (c. a.d. 1348) | November 30 | 14th-century |
| + | St Andrew was a native of Bethsaida, a town in Galilee upon the banks | November 30 | unknown |
| + | Bd Alexander Briant, Martyr (ad. 1581) | December 1 | 16th-century |
| + | Bd Antony Bonfadini (ad. 1482) | December 1 | 15th-century |
| + | Bd Bentivoglia (ad. 1232) | December 1 | 13th-century |
| + | Bd Edmund Campion, Martyr (ad. 1581) | December 1 | 16th-century |
| + | Bd Franco of Grotti (ad. 1291) | December 1 | 13th-century |
| + | Bd Gerard Cagnoli (ad. 1345) | December 1 | 14th-century |
| + | Bd Hugolino Magalotti (ad. 1373) | December 1 | 14th-century |
| + | Bd Jerome Ranuzzi (ad. 1455) | December 1 | 15th-century |
| + | Bd John Beche, Abbot of Colchester, Martyr (a.d. 1539) | December 1 | 16th-century |
| + | Bd John of Vercelli (ad. 1283) | December 1 | 13th-century |
| + | Bd Peter of Siena (ad. 1289) | December 1 | 13th-century |
| + | Bd Ralph Sherwin, Martyr (ad. 1581) | December 1 | 16th-century |
| + | St Agerigus, or Airy, Bishop of Verdun (a.d. 588) | December 1 | 6th-century |
| + | St Ansanus, a Roman by birth, is venerated as the first apostle of Siena, | December 1 | unknown |
| + | St Ansanus, Martyr | December 1 | 4th-century |
| + | St Barsabas, Martyr (no date) | December 1 | unknown |
| + | St Damasus, Pope (a.d. 384) | December 1 | 4th-century |
| + | St Daniel the Stylite (ad. 493) | December 1 | 5th-century |
| + | St Eligius, or Eloi, Bishop of Noyon (a.d. 660) | December 1 | 7th-century |
| + | St Tudwal, Bishop (sixth century) | December 1 | 6th-century |
| + | Bd John Ruysbroeck (ad. 1381) | December 2 | 14th-century |
| + | St Bibiana, or Viviana, Virgin and Martyr (date unknown) | December 2 | 5th-century |
| + | St Chromatius, Bishop of Aquileia (c. a.d. 407) | December 2 | 5th-century |
| + | St Cassian, Martyr (a.d. 298 ?) | December 3 | 3rd-century |
| + | St Francis Xavier (ad. 1552) | December 3 | 16th-century |
| + | St Lucius (no date) | December 3 | unknown |
| + | St Sola (a.d. 794) | December 3 | 8th-century |
| + | St Anno, Archbishop of Cologne (a.d. 1075) | December 4 | 11th-century |
| + | St Barbara, Virgin and Martyr (date unknown) | December 4 | unknown |
| + | St Bernard, Bishop of Parma and Cardinal (a.d. t t 33) | December 4 | unknown |
| + | St Maruthas, Bishop of Maiferkat (c. a.d. 415) | December 4 | 5th-century |
| + | St Osmund, Bishop of Salisbury (a.d. 1099) | December 4 | 11th-century |
| + | St Peter Chrysologus, Archbishop of Ravenna, Doctor of | December 4 | 5th-century |
| + | St Peter was a native of Imola, a town in eastern Emilia. He was taught | December 4 | unknown |
| + | Bd Bartholomew of Mantua (ad. 1495) | December 5 | 15th-century |
| + | Bd John Almond, Martyr (ad. 1612) | December 5 | 17th-century |
| + | Bd Nicholas of Sibenik, Martyr (a.d. 1391) | December 5 | 14th-century |
| + | St Birinus, Bishop of Dorchester (c. a.d. 650) | December 5 | 7th-century |
| + | St Crispina, Martyr (a.d. 304) | December 5 | 4th-century |
| + | St Nicetius, Bishop of Trier (c. a.d. 566) | December 5 | 6th-century |
| + | St Nicholas, called " of Bari ", Bishop of Myra (fourth | December 5 | unknown |
| + | St Sabas, one of the most renowned patriarchs of the monks of Palestine, | December 5 | unknown |
| + | St Sigiramnus, or Cyran, Abbot (c. a.d. 655) | December 5 | 7th-century |
| + | Bd Peter Pascual, Bishop of Jaen, Martyr (a.d. 1300) | December 6 | 13th-century |
| + | St Abraham, Bishop of Kratia (c. a.d. 558) | December 6 | 6th-century |
| + | St Ambrose, Bishop of Milan, Doctor of the Church (a.d. 397) | December 6 | 4th-century |
| + | St Eutychian, Pope (a.d. 283) | December 7 | 3rd-century |
| + | St Josepha Rossello, Virgin, Foundress of the Daughters | December 7 | 19th-century |
| + | St Romaric, Abbot (a.d. 653) | December 8 | 7th-century |
| + | St Budoc, or Beuzec, Abbot (sixth Century ?) | December 9 | 6th-century |
| + | St Gorgonia, Matron (c. a.d. 372) | December 9 | 4th-century |
| + | St Leocadia, Virgin and Martyr (a.d. 304 ?) | December 9 | 4th-century |
| + | St Peter Fourier, Co-founder of the Augustinian Canonesses | December 9 | 17th-century |
| + | St Eulalia of Merida, Virgin and Martyr (a.d. 304 ?) | December 10 | 4th-century |
| + | St Gregory Iii, Pope (ad. 741) | December 10 | 8th-century |
| + | St Miltiades, Pope and Martyr (a.d. 314) | December 10 | 4th-century |
| + | St Corentin, or Cury, Bishop (sixth Century ?) | December 12 | 6th-century |
| + | St Edburga, Abbess of Minster, Virgin (a.d. 751) | December 12 | 8th-century |
| + | St Finnian of Clonard, Bishop (c. a.d. 549) | December 12 | 6th-century |
| + | St Vicelin, Bishop of Staargard (a.d. 1154) | December 12 | 12th-century |
| + | Bd Antony Grassi (ad. 1671) | December 13 | 17th-century |
| + | Bd John Marinoni (ad. 1562) | December 13 | 16th-century |
| + | Bd Thomas Holland, Martyr (ad. 1642) | December 13 | 17th-century |
| + | St Aubert, Bishop of Cambrai and Arras (c. a.d. 669) | December 13 | 7th-century |
| + | St Judoc, or Josse (ad. 668) | December 13 | 7th-century |
| + | St Lucy, Virgin and Martyr (a.d. 304) | December 13 | 4th-century |
| + | St Odilia, or Ottilia, Virgin (c. a.d. 720) | December 13 | 8th-century |
| + | Bd Bartholomew of San Gimignano (ad. 1300) | December 14 | 13th-century |
| + | Bd Bonaventure Buonaccorsi (ad. 13 15) | December 14 | unknown |
| + | Bd Conrad of Offida (ad. 1306) | December 14 | 14th-century |
| + | Bd Nicholas Factor (ad. 1583) | December 14 | 16th-century |
| + | St Spiridion, Bishop of Tremithus (fourth century) | December 14 | 4th-century |
| + | St Venantius Fortunatus, Bishop of Poitiers (c. a.d. | December 14 | unknown |
| + | St Eusebius was born in the isle of Sardinia, where his father is said to | December 15 | unknown |
| + | St Mary di Rosa, Virgin, Foundress of the Handmaids of | December 15 | 19th-century |
| + | St Nino, Virgin (fourth century) | December 15 | 4th-century |
| + | St Paul of Latros (a.d. 956) | December 15 | 10th-century |
| + | St Stephen, Bishop of Surosh (c. a.d. 760) | December 15 | 8th-century |
| + | Bd Ado, Archbishop of Vienne (a.d. 875) | December 16 | 9th-century |
| + | Bd Mary of Turin, Virgin (ad. 1717) | December 16 | 18th-century |
| + | Bd Sebastian of Brescia (ad. 1496) | December 16 | 15th-century |
| + | St Adelaide, Widow (a.d. 999) | December 16 | 10th-century |
| + | St Begga, Widow (a.d. 693) | December 17 | 7th-century |
| + | St Gatian, Bishop of Tours (a.d. 301 ?) | December 17 | 4th-century |
| + | St Lazarus (first century) | December 17 | 1st-century |
| + | St Olympias, Widow (c. a.d. 408) | December 17 | 5th-century |
| + | St Sturmi, Abbot (a.d. 779) | December 17 | 8th-century |
| + | St Wivina, Virgin (a.d. 1170?) | December 17 | 12th-century |
| + | St Flannan, Bishop (seventh Century ?) | December 18 | 7th-century |
| + | St Winebald, Abbot (a.d. 761) | December 18 | 8th-century |
| + | Bd Urban V, Pope (a.d. 1370) | December 19 | 14th-century |
| + | Bd William of Fenoli (c. ad. 1205) | December 19 | 13th-century |
| + | St Anastasius I, Pope (a.d. 401) | December 19 | 5th-century |
| + | St Dionysius, Bishop of Alexandria during the persecution under the | December 19 | unknown |
| + | St Philogonius, Bishop of Antioch (a.d. 324) | December 19 | 4th-century |
| + | St Dominic of Silos, Abbot (a.d. 1073) | December 20 | 11th-century |
| + | St Ursicinus, Abbot (c. a.d. 625) | December 20 | 7th-century |
| + | St Anastasius Ii, Patriarch of Antioch, Martyr (a.d. 609) | December 21 | 7th-century |
| + | St Thomas was a Jew and probably a Galilean of humble birth, but we | December 21 | unknown |
| + | Bd Adam of Loccum (c. ad. 1210) | December 22 | 13th-century |
| + | Bd Jutta of Diessenberg, Virgin (a.d. 1136) | December 22 | 12th-century |
| + | St Frances Xavier Cabrini, Virgin, Foundress of the | December 22 | 20th-century |
| + | Bd Hartman, Bishop of Brixen (a.d. 1164) | December 23 | 12th-century |
| + | Bd Margaret of Savoy, Widow (ad. 1464) | December 23 | 15th-century |
| + | St Dagobert Ii of Austrasia (ad. 679) | December 23 | 7th-century |
| + | St Servulus (c. a.d. 590) | December 23 | 6th-century |
| + | St Thorlac, Bishop of Skalholt (a.d. 1193) | December 23 | 12th-century |
| + | Bd Paula Cerioli, Widow, Foundress of the Institute of the | December 24 | 19th-century |
| + | St Delphinus, Bishop of Bordeaux (a.d. 403) | December 24 | 5th-century |
| + | St Gregory of Spoleto, Martyr (a.d. 304 ?) | December 24 | 4th-century |
| + | Bd Jacopone of Todi (ad. 1306) | December 25 | 14th-century |
| + | St Anastasia, Martyr (a.d. 304 ?) | December 25 | 4th-century |
| + | St Eugenia, Virgin and Martyr (date unknown) | December 25 | unknown |
| + | Bd Vincentia Lopez Y Vicuna, Virgin, Foundress of the | December 26 | 19th-century |
| + | St Archelaus, Bishop of Kashkar (no Date ?) | December 26 | unknown |
| + | St Dionysius, Pope (a.d. 269) | December 26 | 3rd-century |
| + | St Stephen, the First Martyr (c. a.d. 34) | December 26 | unknown |
| + | St Zosimus, Pope (a.d. 418) | December 26 | 5th-century |
| + | St Fabiola, Matron (a.d. 399) | December 27 | 4th-century |
| + | St John the Evangelist, distinguished as the " disciple whom | December 27 | unknown |
| + | St Nicarete, Virgin {c. a.d. 410) | December 27 | 5th-century |
| + | St Antony of Lerins (c. ad. 520) | December 28 | 6th-century |
| + | St Theodore the Sanctified, Abbot (ad. 368) | December 28 | 4th-century |
| + | Bd Peter the Venerable, Abbot (ad. 1156) | December 29 | 12th-century |
| + | St Ebrulf, or Evroult, Abbot (a.d. 596) | December 29 | 6th-century |
| + | St Marcellus Akimetes, Abbot (c. a.d. 485) | December 29 | 5th-century |
| + | St Thomas Becket, Archbishop of Canterbury, Martyr | December 29 | unknown |
| + | St Trophimus, Bishop of Arles (third Century ?) | December 29 | 3rd-century |
| + | St Anysia, Martyr (a.d. 304 ?) | December 30 | 4th-century |
| + | St Anysius, Bishop of Thessalonica (c. a.d. 410) | December 30 | 5th-century |
| + | St Egwin, Bishop of Worcester (a.d. 717) | December 30 | 8th-century |
| + | Bd Israel (a.d. 10 14) | December 31 | unknown |
| + | St Columba of Sens, Virgin and Martyr (date | December 31 | unknown |
| + | St Melania the Younger, Widow (a.d. 439) | December 31 | 5th-century |
| + | St Silvester I, Pope (a.d. 335) | December 31 | 4th-century |