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201–320 · Early Church

Saint Acacius of Sebaste (Greek: Ἅγιος Ἀκάκιος Σεβαστείας; died c. 304) was a 4th-century Christian priest and hieromartyr who lived in Sebaste, Armenia, during the Diocletianic Persecution.

300–251 · Early Church

Saint Acathius (died c. 251, also known as Acacius or Achates) was bishop of Melitene (now Malatya in modern Turkey) in the third century, although he is occasionally given as bishop of Antioch. Melitene was the capital of the Roman Province of Second Armenia.

660–740 · Medieval

Acca of Hexham (c. 660 – 740/742) was an early medieval Northumbrian prelate, serving as bishop of Hexham from 709 until 732, and subsequently commemorated as a Christian saint.

1100–1172 · Medieval · Augustinians

Achard of Saint Victor (c. 1100 – 29 March 1171) was a canon regular and abbot of the Abbey of St. Victor, Paris, and later Bishop of Avranches. By tradition he is honored as a Blessed by his fellow Canons Regular of St. Augustine.

150–330 · Early Church

Saint Achillius of Larissa, also known as Achilles, Ailus, Achillas, or Achilius (Greek: Άγιος Αχίλλειος, Ágios Achílleios) (died 330 AD), was a 4th century bishop of Larissa and one of the 318 persons present at the First Council of Nicaea. His feast day is on 15 May.

751–827 · Medieval · Benedictines

Adalard of Corbie (Latin: Adalhardus Corbeiensis; c. 751, Huise – 2 January 827) was the son of Bernard who was the son of Charles Martel and half-brother of Pepin; Charlemagne was his cousin. He is recognised as a saint within the Roman Catholic and Eastern Orthodox Church.

1010–1090 · Medieval · Benedictines

Adalbero of Würzburg (or Saint Adalbero; c. 1010 – 6 October 1090) was Bishop of Würzburg and Count of Lambach-Wels. Born around 1010 in Lambach, Adalbero was the youngest son of Count Arnold II of Wels-Lambach in Upper Austria (of the family of the Counts of Formbach) and his w…

956–997 · Medieval · Benedictines

Adalbert of Prague (Latin: Sanctus Adalbertus, Czech: svatý Vojtěch, Slovak: svätý Vojtech, Polish: święty Wojciech, Hungarian: Szent Adalbert (Béla); c.

900–909 · Medieval

Adalgar (died 9 May 909), venerated as Saint Adalgar, was the third archbishop of Bremen from 888 until his death. Adalgar is revered as a saint in the Roman Catholic and Eastern Orthodox Churches. His feast day is 29 April.

1903–1942 · Contemporary

Adam Bargielski (January 7, 1903 – September 8, 1942) was a Polish Roman Catholic priest. He was born in Kalinowo, Łomża County. He died in the Nazi German Dachau concentration camp.

990–1060 · Medieval · Benedictines

Saint Adamo Abate (c. 990 – 1060–1070) was an Italian medieval Benedictine abbot, who, around the middle of the 11th century, became abbot of the monastery of Santa Maria delle Isole Tremiti. He was born in Petazio (today Petacciato) and was baptized in Guglionesi.

660–734 · Medieval · Benedictines

Adela of Pfalzel (d. 734 or 735), sometimes called Adula or Adolana, was a Frankish noblewoman, abbess, and Catholic saint. Some sources state that her father was Dagobert II and that her sister was Saint Irmina of Oeren.

1009–1079 · Medieval · Benedictines

Adela of France, known also as Adela the Holy or Adela of Messines; (died 1076) was, by marriage, Duchess of Normandy (January – August 1027), and Countess of Flanders (1035–1067). Adela was the second daughter of King Robert II of France and Constance of Arles.

970–1015 · Medieval · Benedictines

Adelaide, Abbess of Vilich (c. 970 – 5 February 1015(?), her date of birth and death are controversial), also known as Adelheid, was the abbess of Vilich and also of St. Maria im Kapitol in Cologne. She was considered a saint by some; miracles are ascribed to her.

570–618 · Medieval · Benedictines

Pope Adeodatus I (570 – 8 November 618), also called Deodatus I or Deusdedit, was the bishop of Rome from 19 October 615 to his death on 8 November 618. He was the first priest to be elected pope since John II in 533.

676 · Medieval · Benedictines

Pope Adeodatus II (c. 621–17 June 676), sometimes called Deodatus, was the bishop of Rome from 672 to his death on 17 June 676. He devoted much of his papacy to improving churches and fighting monothelitism. Born in Rome in c.

800–875 · Medieval · Benedictines

Ado (died 16 December 874) was a Frankish churchman and writer. He served as the archbishop of Vienne from 850 until his death and is venerated as a saint. His writings include hagiography and historiography. Ado belonged to a prominent noble family.

1185–1224 · Medieval · Cistercians

Adolf of Osnabrück, O.Cist (also known as Adolphus, Adolph, Adolf of Tecklenburg), was born in Tecklenburg about 1185, a member of the family of the Counts of Tecklenburg in the Duchy of Westphalia.

1813–1865 · Modern

Adolph Kolping (8 December 1813 — 4 December 1865) was a German Catholic priest and the founder of the Kolping Association. He led the movement for providing and promoting social support for workers in industrialized cities while also working to promote the dignities of workers i…

624–704 · Medieval · Benedictines

Adomnán or Adamnán of Iona , also known as Eunan , was an abbot of Iona Abbey (r. 679–704), hagiographer, statesman, canon jurist, and saint. He was the author of the Life of Columba (Latin: Vita Columbae), probably written between 697 and 700.

1476–1539 · Reformation · Knights Hospitaller

Sir Adrian Fortescue (c. 1476 – 9 July 1539) was a courtier at the court of King Henry VIII of England and member of the Third Order of Saint Dominic who was executed in 1539 and later beatified as a Roman Catholic martyr.

885 · Medieval · Benedictines

Pope Adrian III or Hadrian III (Latin: Adrianus or Hadrianus; died 8 July 885) was the bishop of Rome and ruler of the Papal States from 17 May 884 to his death on 8 July 885.

1550–1572 · Reformation

Adrian Jansen (*ca. 1528, Hilvarenbeek; † 9 July 1572, Brielle), also known as "Becanus" was one of the Martyrs of Gorkum, a Norbertine priest and a Roman-Catholic Saint. Little is known about Jansens' life. He entered the order at Middelburg Abbey.

850–875 · Medieval

Saint Adrian of May (sometimes given as "Magridin") (d. 875) was a martyr-saint of ancient Scotland, whose cult became popular in the 14th century. He is commemorated on 3 December. He may have been a bishop of Saint Andrews.

1789–1828 · Modern · Marianist Sisters

Adèle de Batz de Trenquelléon, FMI, religious name Mary of the Conception (French: Marie de la Conception), (10 June 1789 – 10 January 1828), was a religious sister and the co-founder of the Marianist Sisters with William Joseph Chaminade.

1908–1924 · Contemporary

Adílio Daronch (25 October 1908 – 21 May 1924) was a Brazilian Catholic adolescent. Daronch was born to immigrants and lived his entire life in Brazil where he was known to have had a love for football and riding.

490–536 · Medieval

Pope Agapetus I (489/490 – 22 April 536) was the bishop of Rome from 13 May 535 to his death on 22 April 536. His father, Gordianus, was a priest in Rome and he may have been related to two popes, Felix III and Gregory I.

1820–1840 · Modern

Agatha Kwon Chin-i (Korean: 아가타 권진이; Hanja: 權珍伊; 1820–1840) is a Korean Catholic saint, one of the 103 Korean Martyrs. She was born in 1820, to a government official and his wife, St. Magdalene Han Yong-i, who was martyred on December 29, 1839.

1814–1840 · Modern

St. Agatha Yi Kyong-i (1814–1840) is a Korean saint and martyr. She was born in a Catholic family. She married a eunuch; her bishop advised her to separate from her husband, and she went to live with St. Agatha Kwon Chin-i because her mother was too poor to support her.

1817–1858 · Modern

Agatha Lin (林昭), born in Qinglong in the Guizhou province of southwest China in 1817, was a Chinese saint and martyr. She was a headmistress and catechist, and one of the first to evangelize the Miao people. She was beheaded for her faith on January 28, 1858.

574–681 · Medieval · Benedictines

Pope Agatho (577 – 10 January 681) served as the bishop of Rome from 27 June 678 until his death on 10 January 681. He heard the appeal of Wilfrid of York, who had been displaced from his see by the division of the archdiocese ordered by Theodore of Canterbury.

350–435 · Early Church

Abba Agathon was an Egyptian Christian monk and saint who lived around the 4th century in Scetis, Lower Egypt, and was known for his meekness and discernment.

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Agilbert (fl. c. 650–680) was the second bishop of the West Saxon kingdom and later Bishop of Paris. He is venerated as a saint within the Catholic Church, with his feast day falling on 11 October.

750–751 · Medieval

Saint Agilulfus (or Agigulf), Abbot of Stavelot, Bishop of Cologne and martyr, died around the year 750. Apart from his name, "the events of his life are uncertain", and an early account written by a monk of Malmedy is deemed untrustworthy.

535–596 · Medieval · Basilian monks

Agnellus of Naples (Italian: Agnello) or Aniello the Abbot (535, Naples - 14 December 596, Naples) was a Basilian monk and later Augustinian friar. He is venerated as a saint by the Catholic Church, with a feast day on 14 December, the date of his death.

1194–1236 · Medieval · Franciscans

Agnellus of Pisa, OFM (c. 1195 – 1236), was an Italian Franciscan friar. As the order's first minister provincial in England (1224–1236), he is considered the founder of the Franciscans in England.

1909–1940 · Contemporary · Lovers of the Holy Cross

The Martyrs of Songkhon (Thai: มรณสักขีแห่งสองคอน) (also called Seven Blessed Martyrs of Songkhon) are seven Christian Thais executed in the village Songkhon in Pong Kham subdistrict, Wan Yai District, Mukdahan Province, northeastern Thailand, in December 1940 by local police for…

1821–1856 · Modern

Agnes Tsao Kou Ying (28 April 1821 – 1 March 1856; also Agnes Kouying Tsao), or Cao Guiying (Chinese: 曹桂英), was a Qing dynasty Chinese layperson who was martyred for preaching the Gospel in Guangxi. She was canonized a martyr-saint by Pope John Paul II on 1 October 2000.

1197–1253 · Medieval · Poor Clares

St. Agnes Sciffi, of Assisi (1197/1198 - 1253) was one of the founding members of the Order of Poor Ladies (The Poor Clares).  Agnes eventually established the convent of Monticelli near Florence, then went on to establish orders in Verona, Padua, Venice, and Mantua.

1335–1352 · Medieval · Poor Clares

Agnes of Bavaria (1335 – 11 November 1352) was a Bavarian nun from Munich and a member of the House of Wittelsbach. The daughter of Louis IV, Holy Roman Emperor, was brought up in a monastery of Clarissan nuns.

1211–1282 · Medieval · Poor Clares

Agnes of Bohemia, OSC (Czech: Svatá Anežka Česká, 20 January 1211 – 2 March 1282), also known as Agnes of Prague, was a medieval Bohemian princess who opted for a life of charity, mortification of the flesh and piety over a life of luxury and comfort.

1602–1634 · Reformation · Dominican Order

Agnes of Jesus, OP (born Agnès Galand and also known as Agnes of Langeac; 17 November 1602 – 19 October 1634) was a French Catholic nun of the Dominican Order.

1268–1317 · Medieval · Nuns of the Order of Preachers

Agnes of Montepulciano, OP (28 January 1268 – 20 April 1317) was a Dominican prioress in medieval Tuscany who was known as a miracle worker during her lifetime. She is honored as a saint by the Catholic Church.

600–588 · Medieval

St. Agnes of Poitiers is a French saint and abbess, who was "recognized for her holiness and intelligence" and called "model of the conventual life". She served as abbess of Holy Cross convent in Poitiers, France until her death in 586.

769–840 · Medieval

Agobard of Lyon (c. 769 – 840) was a Spanish-born priest and archbishop of Lyon, during the Carolingian Renaissance. The author of multiple treatises, ranging in subject matter from the iconoclast controversy to Spanish Adoptionism to critiques of the Carolingian royal family, Ag…

1435–1458 · Medieval · Order of St. Augustine

Agostina Camozzi (1435 - 13 February 1458) - in religious Cristina - was an Italian Roman Catholic professed religious from the Order of Saint Augustine.

1864–1894 · Modern

Agostina Pietrantoni (27 March 1864 – 13 November 1894) born Livia Pietrantoni, was an Italian religious sister of the Sisters of Divine Charity.

260–332 · Early Church

Saint Agricius, also Agritius (c. 260 – c. 335) was the first historically documented bishop of Trier. From the time of Diocletian's reorganization of the divisions of the empire, Augusta Treverorum, now Trier, was the capital of Belgica Prima, the chief city of Gaul, and freque…

497–580 · Medieval

Bishop Agricola was a 6th-century Bishop of Chalon-sur-Saône in France, where he built a leper-hospital. Agricola was born to a senatorial family around 497. In 532 he was elected to the episcopal see of Chalon-sur-Saene, where he long shone for his virtues.

200–300 · Early Church

Saint Agrippinus (Arpinus) of Naples (Italian: Sant'Agrippino di Napoli, Sant'Arpino) (3rd century) was a bishop of Naples and is venerated in that city as a saint. According to tradition, Agrippinus was the sixth bishop of Naples.