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Césaire of Clermont served as a Catholic priest and held the position of bishop of Auvergne. He is recognized as a saint.

1544–1607 · Reformation · priests of the Christian Doctrine

César de Bus (3 February 1544 – 15 April 1607) was a French Catholic priest and founder of two religious congregations. César de Bus was born in Cavaillon, Comtat Venaissin (now in France).

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Irish saint

400 · Early Church

Saint Dabheog is the patron saint and a founder of a monastery on an island in Lough Derg, a lake in County Donegal, Ireland, near the town of Pettigo and shouldering the border of counties Donegal and Fermanagh. His feast day is 16 December.

450–552 · Medieval

Dacius or Datius (Italian: Dazio) was Bishop of Milan from c. 530 to 552. He is honoured as a saint in the Catholic Church and in the Orthodox Church.

1544–1603 · Reformation

Dadu Dayal (Devanagari: दादू दयाल, Saint Dādūdayāl, 1544–1603) was a poet-saint religious reformer who spoke against formalism and priestcraft, and was active throughout Rajasthan. "Dadu" means brother, and "Dayal" means "the compassionate one".

652–679 · Medieval

Dagobert II (Latin: Dagober(c)tus; Old English: Dægberht; died 679) was a Merovingian king of the Franks, ruling in Austrasia from 675 or 676 until his death. He is one of the more obscure Merovingians. He has been considered a martyr since at least the ninth century.

588 · Medieval

Saint Daig (died 588?) was an Irish Christian bishop and confessor of Inis-Caoin-Deagha (now Inniskeen, County Monaghan), who lived towards the end of the 6th century. His name in Gaelic means "A great flame" and he was probably named after his mother Deighe.

530–598 · Medieval

Eochaid mac Colla (c. 560 – 640), better known as Saint Dallán or Dallán Forgaill (Old Irish: Dallán Forchella; Latin: Dallanus Forcellius; Primitive Irish: Dallagnas Worgēllas), was an early Christian Irish poet and saint known as the writer of the "Amra Coluim Chille" ("Elegy o…

356–436 · Early Church

Dalmatius, Dalmatus, or Dalmatos (Ancient Greek: Δαλμάτος; died AD 440) was archimandrite of the Dalmatian Monastery in Constantinople. He also held the title Archimandrite of the Monasteries, making him the city's chief monk.

304 · Early Church

Dalmatius of Pavia (Italian: San Dalmazzo, Dalmazio) (died 254 or 304 AD) is venerated as a saint by the Roman Catholic Church. It is possible that Dalmatius was simply a local preacher of northern Italy, but the century in which he lived or the manner in which he died is unknown…

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Saint Dalmatius of Rodez (French: Saint Dalmas, Dalmace) was a bishop of Rodez from 524 to 580. Dalmatius was born in the late 400s in Gaul; he became bishop of Rodez in 524 at a relatively young man age.

1878–1937 · Contemporary

Damaskin (Macedonian: Дамаскин) is a chronicle of church-liturgical books. Later, the damaskins became church collections with teaching words and lives. They appeared at the end of the 16th century in the western Bulgarian lands and existed until the middle of the 19th century.

1500–1577 · Reformation

Damaskinos Stouditis (Greek: Δαμασκηνός Στουδίτης; Latin: Damascenus Studites) was a high-ranking Greek ecclesiastic and writer in the sixteenth century.

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Saint Damnat (Irish: Damhnait; also known as Davnet or Dymphna) was a nun who seems to have lived and died at Tydavnet (from Tech nDamnat, meaning "House of Damnat") at Sliabh Beagh, County Monaghan, Ireland.

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Saint Damhnade was an Irish virgin who was known for working miracles. She is sometimes confused with Saint Dymphna. Her feast day is 13 June. Very little else is known of her.

1873–1937 · Contemporary

Cosmas and Damian (c. 3rd century – c. 287 or c. 303 AD) were two Arab physicians and early Christian martyrs. They practised their profession in the seaport of Aegeae, then in the Roman province of Cilicia.

1802–1839 · Modern

Damien Nam Myong-hyog (Korean: 남명혁 다미아노) was a Korean Christian layman and catechist, born in 1802 in Munan near Seoul, Korea, and died on May 24, 1839, in Seoul.

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Damian is the name of a Christian saint formerly included in the Roman Martyrology under 12 February. The saint was removed when the Martyrology was revised in 2004.

601–710 · Medieval

Damian of Pavia (also Damianus Ticinensis, Damianus Mediolanensis, Damianus Biscossia) was Bishop of Pavia (Ticinum) from 680, succeeding bishop Anastasius. He mediated relations between the Lombards and the Byzantine emperors.

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Patron Saint of Lepers and AIDS patients

100–1000 · Medieval

Danax (Vlora – Montesardo, a frazione of Alessano) was a reader and deacon who died a martyr in the 2nd, 4th, or 9th century in Illyria or Italy, depending on the version. He is commemorated by the Catholic Church and the Orthodox Church on January 16.

1831–1881 · Modern · Comboni Missionaries of the Heart of Jesus

Daniele Comboni, MCCJ (15 March 1831 – 10 October 1881) was an Italian Catholic prelate who served as Vicar Apostolic of Central Africa from 1877 until his death in 1881.

1884–1915 · Contemporary

Daniel Varoujan (Armenian: Դանիէլ Վարուժան, 20 April 1884 – 26 August 1915) was an Armenian poet of the early 20th century. At the age of 31, when he was reaching international stature, he was deported and murdered by the Young Turk government, as part of the officially planned a…

888 · Medieval

Daniel of Arles or of Girona (Armenia, 9th century – Arles, 888) was a Christian martyr venerated as a saint in Girona. He is likely a legendary saint.

1784–1843 · Modern

Righteous Daniel of Achinsk (the Siberian), born Danila Kornilovich Deliye (December 12 (23), 1784, Novye Sanzhary, Poltava Governorate — April 15 (28), 1843, Yeniseysk), was an Orthodox ascetic and a locally venerated saint of the Russian Orthodox Church.

1261–1303 · Medieval

Daniil Aleksandrovich (Russian: Даниил Александрович; 1261 – 5 March 1303), also known as Daniil of Moscow, was the youngest son of Alexander Nevsky and forefather of all Princes of Moscow. His descendants are known as the Daniilovichi.

200–168 · Early Church

Saint Daniel of Padua (died 168 AD) is venerated as the deacon of Saint Prosdocimus, the first Bishop of Padua. Said to have been of Jewish extraction, he aided Prosdocimus, who evangelized northeastern Nava.

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— · Cistercians

Daniel of Villers was a Cistercian monk. He is recognized as a saint.

250–309 · Early Church

Saint Daniel of Egypt (died February 16, 309) was an Egyptian martyr and a saint in the Catholic and Orthodox Churches. Driven by devotion, he accompanied Elijah, Isaiah, Jeremiah, and Samuel to provide support to Christians sentenced to forced labor in the quarries of Cilicia f…

1150–1227 · Medieval · Franciscans

Daniel Fasanella, born in Belvedere Marittimo, Kingdom of Sicily, at an unknown date and martyred in Ceuta, Almohad Empire, on October 10, 1227, was a 13th-century Sicilian Franciscan who died a martyr alongside six other Franciscan companions.

1400–1496 · Medieval

Daniil Sihastrul (Romanian for "Daniel the Hesychast") (died 1496) was a renowned Moldavan Orthodox spiritual guide, advisor of Stephen the Great, and hegumen of Voroneț Monastery. Canonized by the Romanian Orthodox Church in 1992, he is commemorated on December 18.

1700–1702 · Modern

Daniil Bogdanovich Bratkovsky (second half of the 17th century – November 15, 1702) was a nobleman, public figure, defender of Orthodoxy, and poet from Volhynia.

520 · Medieval

Dar Lugdach (also Darlugdach died c. 525/527) was the immediate successor of Brigid of Kildare as abbess of Kildare, and is recognised as a saint. She is recorded as having died one year to the day after Brigid, and shares the same feast day as the more famous abbess.

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Darbiled (Deirbhile, Dairbhile, Dervla) was an Irish anchoress and founder of Inis Cethig, fl. 575–600. Darbiled is said to have been of the Ui Fiachrach dynasty of Connacht.

350–500 · Medieval

Saint Darerca of Ireland was a sister of Saint Patrick. Much obscurity is attached to her history, and it is not easy to disentangle the facts of her history from the network of legends which medieval writers interwove with her acts.

1870–1938 · Contemporary

Daria Zaitseva was born in 1870 in the Ryazan Governorate and was a follower of Eastern Orthodoxy in the Soviet Union. She died in 1938 at the Butovo firing range, where she is also buried. She is recognized as a Reverend Martyr.

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Saint Daria was a citizen of Ancient Rome. She died in Venafro.

201 · Early Church

Dasius of Durostorum (Bulgarian: Дазий Доростолски, Greek: Δάσιος ο μάρτυρας) is a Christian martyr of the early 4th century AD. He was a Roman soldier of Legio XI Claudiana at Durostorum (modern Silistra), Moesia Inferior who was beheaded in the early 4th century after his refus…

303 · Early Church

A list of people, who died during the 4th century, who have received recognition as Blessed (through beatification) or Saint (through canonization) from the Catholic Church:

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Dasius is a saint of the Catholic Church and an early Christian martyr. Little information has survived regarding the saint, who is mentioned in the Roman Martyrology and was previously noted by Caesar Baronius.

200–190 · Early Church

Dathus or Datus was Bishop of Ravenna during the late 2nd century. He was elected to succeed the previous bishop Probus I when miraculously, a dove appeared above his head. According to Andreas Agnellus, his remains may have been kept in the Church of St.

1240–1299 · Medieval

Daumantas (c. 1221/1240 – 20 May 1299) was a Lithuanian nobleman who reigned as Prince of Pskov from 1266 until he died in 1299. Originally a Duke of Nalšia in the Kingdom of Lithuania, Daumantas fled internal political conflict and sought refuge in Pskov, eventually becoming its…

1881–1915 · Contemporary

David Galván Bermúdez (29 January 1881 – 30 January 1915) was a Mexican Catholic priest who was killed during the Cristero War. He was canonized by Pope John Paul II on 21 May 2000 as one of 25 Martyrs of the Cristero War.

1084–1153 · Medieval

David I or Dauíd mac Maíl Choluim (Modern Gaelic: Daibhidh I mac [Mhaoil] Chaluim; c. 1084 – 24 May 1153) was a 12th century ruler and saint who was Prince of the Cumbrians from 1113 to 1124 and King of Scotland from 1124 to 1153.

1408–1463 · Medieval

David Megas Komnenos (Greek: Δαυίδ Μέγας Κομνηνός, romanized: David Megas Komnēnos; c. 1408 – 1 November 1463) was the last Emperor of Trebizond from 1460 to 1461. He was the third son of Emperor Alexios IV of Trebizond and Theodora Kantakouzene.

1073–1125 · Medieval

David IV, also known as David IV the Builder (Georgian: დავით IV აღმაშენებელი, romanized: davit IV aghmashenebeli; c. 1073 – 24 January 1125), of the Bagrationi dynasty, was the 5th king (mepe) of the Kingdom of Georgia from 1089 until his death in 1125.

1616–1679 · Reformation · Society of Jesus

David Lewis, S.J. (1616 – 27 August 1679) was a Jesuit Catholic priest and martyr who was also known as Charles Baker and widely referred to in the Welsh language as Tad y Tlodion ("Father of the Poor").

1902–1926 · Contemporary

David Roldán Lara (2 March 1902 – 15 August 1926) was a Mexican layman who was killed during the Cristero War. A pro-Catholic activist during the anticlerical period under President Plutarco Elías Calles, he was captured by government forces, and was executed for refusing to reno…