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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…

1001–1082 · Medieval

Saint David of Munktorp (David av Munktorp) was an Anglo-Saxon Cluniac monk of the 11th century. David was sent as a missionary to Sweden by Saint Sigfrid of Växjö along with Saint Botvid and Saint Eskil.

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Daïa (fl. 11th century) is a Berber saint. She is venerated by the Mozabites of the M'zab region (in present-day Algeria). She is reputed to have lived in a cave (ghār) near Wadi Mzab in the M'zab valley.

500–500 · Medieval

Declán of Ardmore (Old Irish: Declán mac Eircc; Irish: Deaglán, Deuglán; Latin: Declanus; died 5th century AD), also called Déclán, was an early Irish saint of the Déisi Muman, who was remembered for having converted the Déisi in the late 5th century and for having founded the mo…

250–286 · Early Church

Defendens of Thebes (Italian: San Defendente di Tebe) is venerated as a martyr by the Catholic Church. Venerated as a soldier-saint, Defendens was, according to Christian tradition, a member of the Theban Legion, and thus martyred at Agaunum.

530–625 · Medieval

Deicolus (also Déicole, Domgall, other variations; c. 530 – January 18, 625) is venerated as a saint in both the Catholic and Eastern Orthodox Churches. He was an elder brother of Saint Gall.

530–584 · Medieval

Saint Deiniol (died 572) was traditionally the first Bishop of Bangor in the Kingdom of Gwynedd, Wales. The present Bangor Cathedral, dedicated to Deiniol, is said to be on the site where his monastery stood. He is venerated in Brittany as Saint Denoual.

600 · Medieval

Deiniolen is a village in Gwynedd, Wales, at the foot of Elidir Fawr, in Llanddeiniolen Community. Deiniolen has views over Caernarfon (7 miles (11 km) away) and on a clear day, Holyhead Mountain and occasionally the Wicklow Mountains in Ireland, can be seen.

1865–1937 · Contemporary

Demetrius is the Latinized form of the Ancient Greek male given name Dēmḗtrios (Δημήτριος), meaning "devoted to goddess Demeter". Alternate forms include Demetrios, Dimitrios, Dimitris, Dmytro, Dimitri, Dimitrie, Dimitar, Dumitru, Demitri, Dhimitër, Dimitrije and Zmicier, in addi…

1093–1156 · Medieval

Demetrius I (Georgian: დემეტრე I, romanized: demet're I) (c. 1093 – 1156), of the Bagrationi dynasty, was a Georgian monarch (mepe) who ruled the Kingdom of Georgia from 1125 to 1154 and again from 1155 until his death in 1156. He is also known as a poet.

1259–1289 · Medieval

Demetrius II the Self-Sacrificer or the Devoted (Georgian: დემეტრე II თავდადებული, romanized: demet're II tavdadebuli) (1259–12 March 1289) of the Bagrationi dynasty, was king (mepe) of Eastern Georgia reigning from 1270 until his execution by the Mongol Ilkhans in 1289.

300–306 · Early Church

Saint Demetrius (or Demetrios) of Thessalonica (Greek: Ἅγιος Δημήτριος τῆς Θεσσαλονίκης, Hágios Dēmḗtrios tēs Thessaloníkēs), also known as the Holy Great-Martyr Demetrius the Myroblyte (meaning 'the Myrrh-Gusher' or 'Myrrh-Streamer'; 3rd century – 306), was a Greek Christian mar…

700–700 · Medieval

Dentelin of Mons, also known as Dentelin of Soignies (Latin: Dentelinus; died c. 16 March 656) was a Frankish saint. He was the son of Saint Waltrude and Madelgaire. Dentelin was born around c.

550–679 · Medieval

Deodatus (Dié, Didier, Dieudonné, Déodat, Adéodat) of Nevers (d. June 19, ca. 679 AD) was a bishop of Nevers from 655. Deodatus was born about 590 to an illustrious family of western France. In 655 Deodatus was appointed bishop of Nevers. He attended the Council of Sens in 657.

450–457 · Early Church

Deogratias of Carthage was a North African Christian prelate who served as Bishop of Carthage from 454 to 457. The name Deogratias means "thanks be to God." In Africa, it was the salutation used by the Catholics to distinguish themselves from the Donatists who said: Deo laudes (…

566–660 · Medieval

Derfel, known as Derfel Gadarn (adarn: "mighty, valiant, strong"), was a 6th-century Celtic Christian monk regarded as a saint. Local legend holds that he was a warrior of King Arthur.

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Deruvian (Medieval Latin: Deruvianus), also known by several other names including Damian, was a possibly legendary 2nd-century bishop and saint, said to have been sent by the pope to answer King Lucius's request for baptism and conversion to Christianity.

480–554 · Medieval

Desideratus or Desiderius of Verdun (French: Désiré de Verdun, also Didier; c. 480 – 8 May 554) was Bishop of Verdun in France from 529 to 554. He is venerated as a Catholic saint, with his feast day on 23 August.

621 · Medieval

Desiderius of Auxerre (died 621) was bishop of Auxerre, in France, from 614 to 621. He was from Aquitaine, and is mentioned in the Gesta pontificum Autissiodorensium, as well as the Chronicle of Fredegar. He is known for his large bequest to his church, St.

600–611 · Medieval

Desiderius of Vienne (died 607) was a martyred archbishop of Vienne and a chronicler. Nothing is known about his early years. In 603, in a conflict with Brunhilda of Austrasia, the legitimacy of whose children he had attacked, he was deposed after she combined forces with Aridiu…

600–664 · Medieval · Benedictines

Deusdedit (died c. 664) was a medieval Archbishop of Canterbury, the first native-born holder of the see of Canterbury. By birth an Anglo-Saxon, he became archbishop in 655 and held the office for more than nine years until his death, probably from plague.

1712–1752 · Modern

Devasahayam Pillai or Mar Lazarus Sahada (born Neelakanta Pillai and baptized as Lazarus; 23 April 1712 – 14 January 1752) was an Indian layman and martyr of the Catholic Church. He was canonized as a saint of the church by Pope Francis on 15 May 2022.

283–304 · Early Church

Devota (French: Sainte Dévote; Corsican: Santa Divota; died ca. 303 AD) is the patroness saint of Corsica and Monaco. She was killed during the persecutions of the Roman Emperors Diocletian and Maximian.

400–486 · Early Church

Diadochos of Photiki (Greek: Διάδοχος Φωτικής) was a fifth-century Christian ascetic whose works are included in the Philokalia. Scholars have acknowledged his great influence on later Byzantine saints such as Maximos the Confessor, John Climacus, Symeon the New Theologian, and…

542 · Medieval

Saint Diarmaid the Just (also known as Diermit, Dhiarmuit, Dermod, Diermedus, Diermetus, Diermitius, Diermitius) was a Catholic abbot of Inis Clothrann (Inchcleraun), Lough Ree, County Longford and of Faughalstown, County Westmeath and a famous Irish confessor of the late-sixth c…

1400–1463 · Medieval · Franciscans

Didacus of Alcalá (Spanish: Diego de Alcalá), also known as Diego de San Nicolás, was a Spanish Franciscan lay brother who served among the first group of missionaries to the newly conquered Canary Islands.

580–655 · Medieval

Saint Didier, also known as Desiderius (c. 580 AD – November 15, 655), was a Merovingian-era royal official of aristocratic Gallo-Roman extraction. He succeeded his own brother, Rusticus of Cahors, as bishop of Cahors after the latter's murder.

313–398 · Early Church

Didymus the Blind (Coptic: Ⲇⲓⲇⲩⲙⲟⲥ Ⲡⲓⲃⲉⲗⲗⲉ; c. 313 – 398) was a Christian theologian in the Church of Alexandria, where he taught for about half a century.

1839–1919 · Contemporary · Order of Friars Minor

Giuseppe Oddi (6 June 1839 - 3 June 1919) was an Italian Roman Catholic professed religious - though not a priest - of the Franciscan Order of Friars Minor Capuchin.

401 · Early Church

Digain (also known as Dygain) was a 5th-century Welsh saint and Prince of Dumnonia (now the English West Country). Digain ap Constantine was said to be the son of Constantine Corneu, King of Dumnonia, and was born in c.429 He was believed to have had three brothers, Erbin (also…

259 · Early Church

Digna can refer to: Saint Digna can refer to:

1884–1915 · Contemporary

Dikran Chögürian (Տիգրան Չէօկիւրեան, 1884, Gümüşhane, Ottoman Empire – 1915) was an ethnic Armenian writer and teacher, editor of the journal Vostan (Ոստան) and a victim of the Armenian genocide.

1651–1709 · Modern

Demetrius of Rostov (Russian: Димитрий Ростовский, romanized: Dimitry Rostovsky, Ukrainian: Димитрій Ростовський, romanized: Dymytrii Rostovskyi, secular name Daniil Savvich Tuptalo, Russian: Даниил Саввич Туптало, or Tuptalenko, Russian: Тупталенко, according to some sources; 11…

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Dingad or Dingat ap Brychan was a late 5th century Welsh saint and early Christian church founder. He is recorded in all the early 'Brychan documents' as a son of King Brychan, King of the Welsh kingdom of Brycheiniog in south-east Wales.

330–394 · Early Church

Diodore of Tarsus (Greek Διόδωρος ὁ Ταρσεύς; died c. 390) was a Christian bishop, monastic reformer, and theologian. A strong supporter of the orthodoxy of Nicaea, Diodore played a pivotal role in the Council of Constantinople and opposed the anti-Christian policies of Julian the…

300–400 · Early Church

Saint Diomedes of Tarsus (Ancient Greek: Διομήδης ὁ Ταρσεύς, romanized: Diomḗdēs ho Tarseús; also known as Diomede; died between 298 and 311 AD) is venerated as a Greek Christian saint and martyr, being one of the Holy Unmercenaries. Diomedes was born in Tarsus.

234 · Early Church

Dionisia is a genus of parasitic alveolates belonging to the phylum Apicomplexa. The type species of this genus is Dionisia bunoi. The genus was described by Landau et al. in 1980.

1500–1545 · Reformation

The Monastery of Agios Dionysios in Olympus (Greek: Μονή Αγίου Διονυσίου εν Ολύμπω) is a Greek Orthodox monastery on the slopes of Mount Olympus, the most important monastery in the Pieria Prefecture. It is located at the Enipeas ravine at an altitude of 850 m .

1547–1622 · Reformation

Saint Dionysios of Zakynthos was a 16th-century Orthodox Christian Bishop of Aegina. He was born on the Greek island of Zakynthos in 1547. He is the patron saint of Zakynthos (sometimes called Zante in English) and is celebrated on August 24 and December 17.

200–268 · Early Church

Pope Dionysius (Greek: Διονύσιος) was the bishop of Rome from 22 July 259 AD to his death on 26 December 268. His task was to reorganise the Catholic Church, after the persecutions of Emperor Valerian I, and the edict of toleration by his successor Gallienus.

475–544 · Medieval

Dionysius Exiguus (Latin for "Dionysius the Humble"; Greek: Διονύσιος; c. 470 – c. 544) was a 6th-century Eastern Roman monk born in Scythia Minor.

1420–1492 · Medieval

Dionysius I of Constantinople (Greek: Διονύσιος; died 1492) was Ecumenical Patriarch of Constantinople two times, from 1466 to 1471 and from 1488 to 1490. He is honoured as a saint in the Eastern Orthodox Church and his feast day is 23 November.

1300–1385 · Medieval

Saint Dionysius I (Russian: Дионисий, romanized: Dionisy; secular name: David; c. 1300 – 15 October 1385) was the metropolitan of the Russian Orthodox Church from 1384 to 1385.