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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.

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…

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.

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.

600–658 · Medieval

Diuma (or Dwyna or Duma) was the first Bishop of Mercia in the Anglo-Saxon Kingdom of Mercia, during the Early Middle Ages. All that is known of Diuma's life is contained in a short account in Bede's Ecclesiastical History of the English People.

500 · Medieval

Dogfan, also known as Doewan, was a saint and martyr who lived in 5th century Wales. He is venerated in the Anglican Church, Eastern Orthodox Church, True Orthodox Church, and Roman Catholic Church, on 13 July. He is the patron saint of Llanrhaeadr-ym-Mochnant in Wales.

1770–1828 · Modern

Domenico Lentini (20 November 1770 – 25 February 1828) was an Italian Roman Catholic priest. He was ordained in 1794 and was a life-long parish priest in his hometown of Potenza where he promoted Eucharistic devotion and worked alongside the poor of the area.

1802–1854 · Modern · Franciscans

Domenico Mazzarella (5 September 1802 – 4 July 1854) was an Italian Roman Catholic priest. He was also a professed member of the Franciscan Friars Minor of the Alcantarines and assumed the name of "Modestino of Jesus and Mary".

1450–1521 · Reformation · Dominican Order

Domenico Spadafora (1450 – 21 December 1521) was an Italian Roman Catholic priest and a professed member of the Order of Preachers. Spadafora was a noted evangelist and attracted countless to the Dominican fold while also converting the hearts of others who led dissolute lives.

363 · Early Church

Saint Dometius (Domitius) the Persian (died 363) is venerated as a Christian martyr and saint. According to tradition, he was martyred by lapidation during the reign of Julian the Apostate with two companions. He was killed at Nisibis in Mesopotamia.

1589–1633 · Reformation · Dominican Order

Domingo Ibáñez de Erquicia (c. 1589 – August 14, 1633) was a Spanish Dominican priest and missionary. After teaching at the Colegio de Santo Tomas in Manila, he went to Japan in 1623, where he ministered incognito to the Catholic community for about ten years.

1901–1927 · Contemporary · Trinitarian Order

Domingo Iturrate Zubero (11 May 1901 – 7 April 1927), also known by his religious name Domingo of the Blessed Sacrament, was a Spanish Roman Catholic priest and a professed member of the Trinitarian Order.

1792–1849 · Modern · Passionists

Dominic Barberi, C.P. (22 June 1792 – 27 August 1849) was an Italian theologian and Passionist priest who was prominent in spreading Catholicism in England. He contributed to the conversion of John Henry Newman. In 1963, he was beatified by Pope Paul VI.

1566–1602 · Reformation · Society of Jesus

Dominic Collins, SJ (Irish: Doiminic Ó Coileáin; 1566 – 31 October 1602) was an Irish Jesuit lay brother, an ex-soldier, who died for his Catholic faith. He was beatified by Pope John Paul II, along with 16 other Irish Catholic Martyrs, on 27 September 1993.

995–1060 · Medieval · Benedictines

Dominic Loricatus, O.S.B. Cam. (Italian: San Domenico Loricato; 995 - 1060), was an Italian monk, born in the village of Luceolis near Cantiano (then in Umbria, now in the Marche).

1812–1862 · Modern

Vietnamese Martyrs (Vietnamese: Các Thánh Tử đạo Việt Nam), also known as the Martyrs of Tonkin and Cochinchina, collectively Martyrs of Annam or formerly Martyrs of Indochina, are saints of the Catholic Church who died between 1745 and 1862, and were canonized by Pope John Paul…

1842–1857 · Modern · Salesians of Don Bosco

Dominic Savio (Italian: Domenico Savio; 2 April 1842 – 9 March 1857) was a 19th-century Italian teenager who was a student of John Bosco and became a Catholic saint. He was studying to be a priest when he became ill and died at the age of 14, possibly from pleurisy.

1019–1109 · Medieval

Dominic de la Calzada (or Dominic of the Causeway) (Spanish: Santo Domingo de la Calzada) (1019 – 12 May 1109) was a saint from a cottage in Burgos very close to La Rioja. Born Domingo García in Viloria de Rioja, he was the son of a peasant named Ximeno García.

1384–1461 · Medieval · Carthusian Order

Dominic of Prussia (German: Dominikus von Preußen; Latin: Dominicus Prutenus; 1382–1461) was a Carthusian monk and ascetical writer. He is credited with a popular early form of the Rosary which focused on meditation. Born in Danzig (contemporarily Gdańsk), Prussia.

600–545 · Medieval

Domenico of Arras was a Pre-congregational saint and Bishop of Arras, France from 540AD to about 545AD. His feast day is 6th Feb.

1886–1942 · Contemporary

Dominik Jędrzejewski (4 August 1886 – 29 August 1942) was a Polish Roman Catholic priest killed at the Dachau concentration camp during World War II. He was beatified in Warsaw on 13 June 1999. Jędrzejewski was born in Kowal, Poland, and was the youngest of six children.

1886–1959 · Contemporary · Congregation of the Most Holy Redeemer

Dominik Trčka (6 July 1886 – 23 March 1959), also known by his religious name Metod, was a Czech priest of the Congregation of the Most Holy Redeemer (Redemptorists).

600–560 · Medieval

Domitian of Huy (Latin: Domitianus; also, of Maestricht) was a Gaulish bishop of the sixth century who is noted for both his generosity and writings against heresy. He is venerated as a saint. Domitian was chosen bishop of Tongeren, but later moved his see to Maastricht.

564–602 · Medieval

Domitian (Latin: Domitianus, Greek: Δομιτιανός; c. 550 – 602) was the nephew of the Roman emperor Maurice and the archbishop of Melitene in Roman Armenia from around 580 until his death.

201–304 · Early Church

Saint Domninus of Fidenza (Italian: San Donnino di Fidenza) is an Italian Catholic saint. According to tradition, he died in 304 AD and was a native of Parma. The cathedral in Fidenza (a town once called Borgo San Donnino) is dedicated to him.

594–660 · Medieval

Donatus (d. after 658) was a bishop of Besançon, founder of the monastery Palatium (later Saint-Paul) in Besançon and author of a rule for nuns. He is venerated as a saint since the 11th century; his feast day is August 7.

400–390 · Early Church

Donatien of Reims (also known as Donatien or Donat) was a 4th-century French saint and the 8th Bishop of Reims. He died in AD 389, and in AD 863 the count of Flanders Baldwin I transferred his relics to the Church Saint-Agricol de Reims at Bruges, where his cult is still active.…

350–362 · Early Church

Saint Donatus of Arezzo (Italian: San Donato di Arezzo) is the patron saint of Arezzo, and considered a bishop of the city. A Passio of Donatus' life was written by a bishop of Arezzo, Severinus; it is of questionable historicity.

701–876 · Medieval

Donatus of Fiesole (died 876) was an Irish teacher and poet, and Bishop of Fiesole. Donatus was born in Ireland to noble parents towards the end of the eighth century.

1179–1198 · Medieval · Benedictines

Donatus was a Benedictine monk. He was born in Ripacandida, Italy. He became a Benedictine in 1194, at Petina, Italy.

750–811 · Medieval

Donatus (second half of 8th century Zadar – first half of 9th century), also called Donato of Zara, was a Dalmatian saint who became a bishop and a diplomat for the Dalmatian city-state of Zadar (Zara). His feast day is celebrated on 25 February.

1882–1961 · Contemporary

Donizetti Tavares de Lima (3 January 1882 – 16 June 1961) was a Brazilian Catholic priest. Tavares de Lima was ordained to the priesthood in 1908 and served as a parish priest in various churches across Brazil but was noted for his extensive work at the San Antonio church in Tam…

1867–1949 · Contemporary · Franciscans

Vicenta Chávez Orozco (6 February 1867 - 30 July 1949), also known by her religious name María Vicenta de Santa Dorotea, was a Mexican Roman Catholic nun and the founder of the Servants of the Holy Spirit and the Poor.

1347–1394 · Medieval

Dorothea of Montau (6 February 1347 – 25 June 1394) was an anchoress and visionary of 14th century Prussia. After centuries of veneration in Central Europe, she was beatified in 1976.

255–362 · Early Church

Saint Dorotheus (Greek: Άγιος Δωρόθεος) bishop of Tyre (present-day Lebanon; c. 255 – 362) is traditionally credited with an Acts of the Seventy Apostles (which may be the same work as the lost Gospel of the Seventy), who were sent out according to the Gospel of Luke 10:1.

1897–1980 · Contemporary · Benedictines

Dorothy Day OblSB (November 8, 1897 – November 29, 1980) was an American journalist, social activist and anarchist who, after a bohemian youth, became a Catholic without abandoning her social activism. She was perhaps the best-known political radical among American Catholics.

1931–2005 · Contemporary · Sisters of Notre Dame de Namur

Dorothy Mae Stang, SNDdeN, (June 7, 1931 – February 12, 2005) was an American-born Brazilian Catholic Religious Sister and missionary. She was murdered in Anapu, Pará, in the Amazon Basin in 2005.

1214–1274 · Medieval · Roubaud beguinage

Douceline of Digne (c. 1215/1216 – 1274) was the founder of the Beguines of Marseille and the subject of a vita that survives today, The Life of Douceline de Digne.

610 · Medieval

Saint Drostan (d. early 7th century), also known as Drustan, was the founder and abbot of the monastery of Old Deer in Aberdeenshire. His relics were later translated to the church at New Aberdour and his holy well lies nearby.

1266–1308 · Medieval · Order of Friars Minor

John Duns Scotus OFM was a Scottish Catholic priest and Franciscan friar, university professor, philosopher and theologian. He is considered among the most important philosopher-theologians in Western Christendom during the last part of the medieval period, together with Thomas A…

909–988 · Medieval · Benedictines

Dunstan (c. 909 – 19 May 988) was an English bishop and Benedictine monk. He was successively Abbot of Glastonbury Abbey, Bishop of Worcester, Bishop of London and Archbishop of Canterbury, later canonised.

1050 · Medieval

Eadsige (died 29 October 1050), was Archbishop of Canterbury from 1038 to 1050. He crowned Edward the Confessor as king of England in 1043. Eadsige was a royal priest for King Cnut before Cnut arranged for him to become a monk at Christ Church, Canterbury about 1030.

626–704 · Medieval · Benedictines

Eanflæd (19 April 626 – after 685, also known as Enfleda) was a Deiran princess, queen of Northumbria and later, the abbess of an influential Christian monastery in Whitby, England.

630–693 · Medieval · Benedictines

Saint Earconwald (also Erkenwald), died 693, was a Saxon prince who served as Bishop of London between 675 and 693 and is the first post-Roman-period Bishop of London to begin the unbroken succession in the Saxon See of London.

700–686 · Medieval

Eata (died 26 October 686), also known as Eata of Lindisfarne, was Bishop of Hexham from 678 until 681, and of then Bishop of Lindisfarne from before 681 until 685. He then was translated back to Hexham where he served until his death in 685 or 686.

810–866 · Medieval

Eberhard (c. 815 – 16 December 867) was the Frankish Duke of Friuli from 846. His name is alternatively spelled Everard, Evrard, Erhard, or Eberard; in Latinized fashion, Everardus, Eberardus, or Eberhardus. He wrote his own name "Evvrardus".

1085–1164 · Medieval · Benedictines

Eberhard was Archbishop of Salzburg, Austria from 1146 until his death in 1164. Eberhard was born to a noble family of Nuremberg, Germany; he became a Benedictine in 1125 at Pruffening, Germany. Later he was made Abbot of Biburg near Regensburg.

600–594 · Medieval

Eberigisil (died before 593) was Bishop of Cologne, being the fifth well-attested bishop, and the first with a Frankish name. Evergislu's tenure was marked by the unrest brought about by the migration of peoples, which dominated both city and country.