Library

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.

1284–1360 · Medieval · Third Order of Saint Francis

Delphine of Glandèves (or of Sabran) was born in 1284 in region of Provence, now part of France. She died on 26 November 1358, having lived as a Franciscan tertiary for most of her life. Delphine was the daughter and heiress of the Count of Puy-Michel.

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…

1770–1840 · Modern

Demetrius Augustine Gallitzin (Russian: Дими́трий Дими́триевич Голи́цын, romanized: Dimitry Dimitrievich Golitsyn, December 22, 1770 – May 6, 1840) was an emigre Russian aristocrat and Catholic priest known as "The Apostle of the Alleghenies" and also in the United States as Prin…

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…

1321 · Medieval

Demetrius of Tiflis or Demetrio da Tifliz was a 14th-century Christian layman and martyr from Georgia or Armenia. He is venerated in the Roman Catholic Church as one of the Four Martyrs of Thane, on April 9.

1600–1638 · Reformation · Order of the Brothers Discalced of the Blessed Virgin Mary of Mount Carmel

Denis of the Nativity, OCD (also Dionysius of the Nativity, born as Pierre Berthelot; 12 December 1600 – 27 November 1638) was a French Discalced Carmelite friar who served in Goa. He had previously been a sailor and cartographer in the service of the king of Portugal.

1402–1471 · Medieval · Carthusian Order

Denis the Carthusian (A.D. 1402–1471), also known as Denys van Leeuwen, Denis Ryckel, Dionysius van Rijkel, Dionysius Carthusianus, Denys le Chartreux (or other combinations of these terms), was a Roman Catholic theologian and mystic.

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.

1530–1584 · Reformation · Franciscans

Dermot O'Hurley (c. 1530 – 19 or 20 June 1584)—also Dermod or Dermond O'Hurley: Irish: Diarmaid Ó hUrthuile—was the Roman Catholic Archbishop of Cashel in Ireland during the reign of Elizabeth I, who was put to death for treason.

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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…

1201–1236 · Medieval · Dominican Order

Diana degli Andalò, OP (1201 – 10 June 1236), sometimes d'Andalo, was a Dominican nun who founded a convent in Italy dedicated to Saint Agnes. Diana d'Andalò was born into a powerful Roman family in Bologna, Italy in 1201. She is described as having been "rather spoiled".

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…

1743–1801 · Modern · Order of Friars Minor Capuchin

Diego José de Cádiz (1743–1801) was a Spanish Capuchin friar who was a noted and popular preacher throughout the region of Andalusia during the 18th century. He was beatified by the Catholic Church in 1894. José Francisco López-Caamaño y García Pérez was born in Cádiz in 1743.

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.

1627–1672 · Reformation · Society of Jesus

Diego Luis de San Vitores, SJ (November 12, 1627 – April 2, 1672) was a Spanish Jesuit missionary who founded the first Catholic church on the island of Guam. He is responsible for establishing the Christian presence in the Mariana Islands.

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.

1200–1208 · Medieval · Cistercians

Diego de Acebo (also known as Diaz de Osma, Alphonsus Didacus, Didacus Acebes) was bishop of Osma (Castile, Spain) from 1201 to 1207. Diego de Acebo was prior of the cathedral chapter of the Catedral de Santa María de la Asunción in El Burgo de Osma, where Dominic of Osma became…

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…

1897–1929 · Contemporary

Dina Bélanger, RJM (30 April 1897 – 4 September 1929), also known as Marie of Saint Cecilia of Rome, was a Canadian member of the Religieuses de Jésus-Marie. Bélanger was a noted musician.

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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…

1578–1624 · Reformation · Society of Jesus

Diogo de Carvalho, SJ (1578 – 22 February 1624) was a Portuguese Jesuit missionary martyred in Edo period Japan. Carvalho was born in Coimbra, Portugal, in 1578.

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.