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? A priest from Ireland who preached in Scotland, where churches are dedicated to him.
? Dafrosa, the mother of St Bibiana, was martyred in Rome under Julian the Apostate.
+ 679. The King of Austrasia in the east of France, he was exiled to a monastery in 656, recalled in 675 and martyred by the tyrant Ebroin
Daig Maccairill (Dagaeus, Daganus)
+ 586. A disciple of St Finian, he founded a monastery at Inis Cain Dega (Iniskeen) in Ireland. He was both abbot and bishop.
Dallan Forgaill (of Cluain Dallain)
+ 598. A relative of St Aidan of Ferns, he was born in Connaught in Ireland. He was martyred at Inis-coel by pirates.
+ 580. Bishop of Rodez in France from 524 to 580. He suffered greatly at the hands of the Arian King Amalric.
+ 304. Born in Monza of pagan parents he became a Christian and preached in France and Italy until he became Bishop of Pavia. He was martyred under Maximian Herculeus a year later.
+ 384. Born in Spain, he served as deacon in the Spanish church of St Laurence in Rome. He became Pope of Rome in 366, opposed Arianism and Apollinarianism, developed the liturgy and restored many churches and tombs of the martyrs.
? A holy virgin in Ireland who was greatly venerated in Cavan in Fermanagh.
? A martyr in Rome whose relics were found in the catacombs of St Callistus and sent to Salamanca in Spain.
+ 710. Bishop of Pavia in Lombardy in Italy, he vigorously opposed Monothelitism.
+ 168. A deacon who helped St Prosdocimus, the first Bishop of Padua in Italy. He was martyred in 168.
9th cent. Born in Asia Minor, he became a hermit and was martyred in Spain.
? 5th cent. The sister of St Patrick of Ireland. Her name means constant and firm love. She is reputed to have had fifteen sons, some ten of whom became bishops.
Darlugdach (Dardulacha, Derlugdach)
+ c 524. Successor of St Brigid as second Abbess of Kildare in Ireland.
+ 190. Bishop of Ravenna in Italy. His election was due to the miraculous appearance of a dove hovering over his head.
+ 552. Bishop of Milan in Italy. His diocese was overrun by Arian Ostrogoths and he had to flee to Constantinople where he spent the rest of his life.
Datius, Reatrus (Restius) and Companions, and Datius (Dativus), Julian, Vincent and 27 Companions
c. 500? Two groups of martyrs in North Africa; the second group suffered under the Arian Vandals.
+ c 600. Born in south Wales, he founded a monastery in Mynyw (Menevia) in the far west and is honoured as the first bishop of what is now called St Davids. The monks lived a very ascetic life and their monastery became a seedbed of saints. He attended the Council of Brefi in c 545. The foundation of a dozen monasteries and many miracles are attributed to him. His relics survive and are enshrined in the Cathedral and he is the patron-saint of Wales.
+ 1051. Born in Annenia, he went on a pilgrimage to Rome and Compostella. On his way he stopped in Lucca, where he reposed and was venerated as a saint.
5th cent. A disciple of St Colman who became bishop in the area of Ardmore in Ireland.
+ 695. For thirty years Bishop of Capua in Italy.
+ 706. Born in Wales, he lived as a hermit at what is now St Decumans in Somerset in England, where he was martyred.
Deicola (Deicolus, Desle, Dichul, Deel, Delle, Deille)
+ c 625. A monk at Bangor in Ireland, he followed St Columbanus to Burgundy in France, where he helped found the monastery of Luxeuil. Later he founded a second monastery in Lure in the Vosges.
Late 7th cent. Born in Ireland, he preached Christ in England in Norfolk and in Sussex. Dickleburgh in Norfolk may be named after him.
6th cent. Founder of Bodfari in Clwyd in Wales.
+ 584. First Bishop of Bangor in Wales, where the Cathedral is dedicated to him.
+ 404. Bishop of Bordeaux in France. He is helped convert St Paulinus of Nola and was an untiring opponent of Priscillianism.
+ 363. A virgin-martyr in Rome, sister of St Bibiana and daughter of Sts Flavian and Dafrosa.
Demetrius and Honorius
? Martyrs in Ostia in Italy.
Demetrius, Honoratus and Florus
? Martyrs in Ostia in Italy.
Denis, Rusticus and Eleutherius
+ c 250. According to St Gregory of Tours, Denis, or Dionysius, was born in Italy and sent with five other bishops to Gaul: he became the first Bishop of Paris. He and his two companions were beheaded under Decius and the monastery of St Denis was built over their tomb.
Dentlin (Dentelin, Denain)
7th cent. The son of St Vincent Madelgarus and St Waldetrudis. He was only seven years old when he reposed, confessing the Faith.
Deochar (Theutger or Gottlieb)
+ 847. A hermit in Franconia in Germany, he became the first abbot of the monastery of Herriedon.
8th cent. A monk at Lagny in France.
+ c 525. A hermit near Blois in France. Later the town of Saint-Dié grew up around his cell.
Deodatus (Dié, Didier, Dieu-Donné, Adéodat)
+ c 680. A bishop who founded and was abbot of the monastery of Val-de-Galilée - Jointures in France.
+ 679. Bishop of Nevers in France in 655, he later lived as a hermit in the Vosges. Later he founded a monastery at Ebersheimmünster near Strasbourg.
+ 473. Deacon of St Paulinus of Nola in Italy and later his successor.
? A martyr in Sora in central Italy.
+ 457. He became Bishop of Carthage in North Africa in 456, fourteen years after the repose of his predecessor, St Quodvultdeus, who had been driven into exile by the Arian Vandals. He sold all that he or his church possessed in order to ransom prisoners of the Arian King.
6th cent. A soldier and afterwards a hermit in Llanderfel in Gwynedd in Wales.
Dermot (Diarmis, Diarmaid)
6th cent. The spiritual father of St Kieran of Clonmacnois and later founder of a monastery on Innis-Clotran Island in Ireland.
Feb 10 and 11
6th cent. Successor of St Avitus as Bishop of Clermont in Auvergne in France
+ c 569. A hermit who lived in Gourdon near Châlon-sur-Saône in France.
6th cent. Successor of St Arcadius as Bishop of Bourges in France.
+ c 700. Son of St Waningus, the founder of the monastery of Fécamp, he became a monk at Fontenelle in the north of France. His relics were enshrined in Ghent in Belgium.
+ 608. Born in Autun he became Bishop of Vienne in France. He defended Orthodox values and was murdered for this at the place now called Saint-Didier-sur-Chalaronne.
407 ? Born in Genoa, he became Bishop of Langres in France. He was killed at the time of a Vandal invasion while interceding for his people.
+ c 705. A monk at Lonrey and a disciple of St Sigiranus, he became a hermit in La Brenne near Bourges in France.
+ c 625. The successor of St Anacharius (Aunaire) as Bishop of Auxerre in France.
+ 655. He succeeded his own brother, St Rusticus, as Bishop of Cahors in France (630-655).
+ 664. Born in England and baptised Frithona, he was the first Englishman to become Archbishop of Canterbury, succeeding St Honorius in 655.
6th cent. A poor shoemaker in Rome and a contemporary of St Gregory the Great, who relates that he gave away to the poor every Saturday all that he had earned at his trade during the week.
+ 836. A monk at Montecassino in Italy, he was chosen abbot about the year 830 and was noted for his almsgiving. To extort money from him, a tyrant ill-treated and imprisoned him. He died in prison of hunger and misery and was venerated as a martyr.
Deusdedit (Adeodatus I)
+ 618. Born in Rome, he became Pope in 615. During an outbreak of the plague he worked untiringly for the sick.
Deusdedit of Brescia
+ c 700. Bishop of Brescia in Italy, he played a leading part in the Councils against Monothelitism.
Devinicus (Denick, Teavneck)
6th cent. Born in the north of Scotland, in old age he worked with Sts Columba and Machar and preached in Caithness, probably as a bishop.
+ 303. A virgin-martyr in Corsica who expired on the rack in the persecution of Diocletian. Her relics are in Monaco. She is the patron-saint of both Corsica and Monaco.
Deyniolen (Deiniol, Daniel)
+ 621. More commonly known as St Deiniol the Younger. He was Abbot of Bangor in Wales.
6th cent. His real name lost, he was a deacon in the Marsi in central Italy. He was martyred together with two monks by the Lombards.
5th cent. The first convert of St Patrick in Ulster in Ireland. He was originally a swineherd. After his conversion he continued to the end faithful to Christ.
+ 420. An adherent of Priscillianism, he was converted by St Ambrose and renounced his errors at the Council of Toledo (400). Soon afterwards he became Bishop of Astorga in Spain.
5th cent. A son of Constantine, a lord in Cornwall. Llangernw in Clwyd in Wales is named after him.
4th cent. A holy virgin in Todi in Umbria in Italy, who lived as an anchoress in the mountains nearby during the persecution of Diodetian.
Digna and Emerita
+ c 259. Virgin-martyrs in Rome under Valerian. They died while standing before their judges in prayer. Their relics are enshrined in the church of St Marcellus in Rome.
Diman (Dimas, Dima)
+ 658. A monk with St Columba and afterwards Bishop of Connor in Ireland.
5th cent. A hermit in Llandingad, i.e. Llandovery in Dyfed in Wales.
Diodorus, Marianus and Companions
+ 283. Martyrs in Rome under Numerian. A whole Christian church was martyred while gathered for prayer in the catacombs, the entrance of which had been blocked up.
5th cent. The teacher of St Declan of Ardmore and other saints. He is venerated as the patron- saint of Kildimo in Co. Limerick in Ireland.
Dionysia, Dativa, Leontia, Tertius, Emilian, Boniface and Companions
+ 484. Martyrs in North Africa under the Arian Vandal Hunneric. Dionysia, a widow, died at the stake with her little child, Majoricus, and her sister Dativa. Emilian, a doctor, and Tertius, a monk, were flayed alive. The fanatics devised terrible deaths for the others also.
Dionysius of Augsburg
+ c 303. Venerated as the first Bishop of Augsburg in Germany. By tradition he was baptised and later consecrated bishop by St Narcissus. He was martyred under Diocletian.
+ c 193. The successor of St Justus as Bishop of Vienne in the Dauphiné in France.
+ 304. Born in Asia Minor, he was the uncle of St Pancras, to whom he acted as guardian. They came together to Rome, became Orthodox and were martyred under Diocletian,
Dionysius of Milan
+ 359. The successor of St Protasius as Bishop of Milan in Italy in 351. In 355 he was exiled to Cappadocia by the Arian Emperor Constantius for defending St Athanasius. He died in exile but St Ambrose had his relics translated to Milan.
+ 268. A priest chosen as Pope of Rome in 259, he restored the Roman Church after the persecution of Valerian, opposed Sabellius and condemned Paul of Samosata.
Disibod (Disibode, Disen)
+ c 700. Born in Ireland, he went to Germany with several companions and founded a monastery on a hill in the valley of the Nahe near Bingen. This became known as Disibodenberg or Disenberg.
+ 658. Born in Ireland, he helped convert Mercia in England as a missionary and bishop.
Dochow (Dochau, Dogwyn)
? 473. He travelled from Wales to Cornwall and founded a monastery there and may have become a bishop.
+ 750. Born near Laon in France, he became a monk at Lobbes in Belgium and eventually became Abbot of Wallers-en-Faigne.
7th cent. Bishop of Vienne in the Dauphiné in France.
5th cent. Martyred by heathen in Dyfed in Wales where a church was dedicated to him.
5th-6th cent. A monk who lived in Dyfed and Anglesey in Wales and also in Brittany.
+ c 500. The patron of Maghera in Co. Down in Ireland, who lived as a hermit on the mountain now called Slieve-Donard after him.
+ ? 495. The fourteenth Bishop of Brescia in Lombardy in Italy.
Dominic of Sora
+ 1031. Born in Foligno in Italy, he became a monk and founded several monasteries - at Scandrilia, Sora, Sangro, and elsewhere near Naples. He died in Sora in Campania at the age of eighty.
Dominic of Comacchio
+ c 820. A monk at Comacchio near Venice in Italy.
Dominic of Brescia
+ c 612. The successor of St Anastasius as Bishop of Brescia in Italy.
Dominic, Victor, Primian, Lybosus, Saturninus, Crescentius, Secundus and Honoratus
? Martyrs in North Africa.
? A martyr venerated in Campania who suffered under Diocletian.
+ c 560. Bishop of Maastricht in Holland and Apostle of the Meuse valley. His relics were venerated at Huy.
Domitian and Hadelin
+ c 686. Two disciples of St Landelinus at Lobbes in Belgium.
c 347-440. Born in Rome and orphaned when young, he became a monk at Lérins in the south of France. Later he founded the monastery of Bebron, now St Rambert de Joux.
Domitian of Châlons
4th cent. ? The third Bishop of Châlons-sur-Marne in France and successor of St Donatian.
8th cent. An hermit near Amiens in France.
Domnina and Companions
269 ? A virgin martyred in Terni in Italy at the same time as Bishop Valentine.
+ 304. Born in Parma in Italy, while fleeing his persecutors, he was overtaken and beheaded on the Via Claudia or Aemilia. This was a few miles outside Parma at a place now called Borgo San Donnino after him, where his relics are venerated.
4th cent. The first Bishop of Grenoble in France.
Domnio and Companions
? One of the first to enlighten Dalmatia, where he was martyred as first Bishop of Salona, probably during the persecution of Diocletian.
+ c 295. A martyr in Bergamo in Italy under Diocletian.
4th cent. A righteous priest in Rome.
+ 581. Abbot of the monastery of St Laurence near Paris. In 543 he became Bishop of Le Mans, where he founded many monasteries, churches and hospitals.
Domnus of Vienne
+ 657. Successor of St Desiderius the Martyr as Bishop of Vienne in France. He was zealous in ransoming captives.
8th cent. A holy man who with his nine daughters, 'the Nine Maidens', lived as a hermit in Ogilvy in Scotland.
? The patron saint of St Donat's or Llandunwyd in Glamorgan in Wales
Donata, Paulina, Rustica, Nominanda, Serotina, Hilaria and Companions
? A group of Roman women martyred in one of the early persecutions. Their relics were enshrined in the catacombs of the Via Salaria.
Donatian and Rogatian
+ 299. Two brothers of Nantes in Brittany martyred under Diocletian.
? 4th cent. Second Bishop of Châlons-sur-Marne in France.
Donatian, Praesidius, Mansuetus, Germanus, Fusculus and Laetus
5th century. Orthodox driven out of Africa into exile by Hunneric the Arian King of the Vandals. At that time the number of exiles reached nearly five thousand in a single year.
+ 390. Born in Rome, he became Bishop of Rheims in France from 360 to 390. His relics were translated to Bruges in Belgium in the ninth century and he has since been venerated as the patron-saint of Bruges.
Donatus, Secundian, Romulus and Companions
+ 304. A group of eighty-nine martyrs who suffered under Diocletian. They were martyred in Porto Gruaro, not far from Venice in Italy.
Donatus, Justus, Herena and Companions
3rd cent. A group of fifty martyrs who suffered in North Africa under Decius.
Donatus and Hilarinus
4th cent. St Donatus was the second Bishop of Arezzo in Italy. St Hilarinus was a martyr in Ostia.
+ c 660. A monk at Luxeuil in France, he became Bishop of Besançon in 624. He did much to encourage monasticism and founded a monastery dedicated to St Paul in Besançon.
+ c 535. Born in Orleans in France, he lived as a hermit on Mt Jura near Sisteron in Provence.
Donatus of Fiesole
+ 874. Born in Ireland, he went on pilgrimage to Rome and became Bishop of Fiesole near Florence in Italy.
Donnan (Dounan) and Companions
+ 618. St Donnan was a monk at Iona with St Columba and founded a monastery on the Island of Eigg in the Inner Hebrides, off the west coast of Scotland. He and his fifty-two monks were massacred by heathen raiders on Easter Sunday 618.
+ 713. Abbot of Iona, he was descended from a brother of St Columba. A copy of St Adamnan's Life of the latter, written by St Dorbhene, still exists.
? 6th cent. Abbot of a monastery in the Orkney Islands off the coast of Scotland.
+ c 576. Bishop of Soissons in France, he did much to encourage monasticism.
+ c 700. Terrified by a vision recorded by St Bede the Venerable, he became a monk at Melrose in Scotland. He lived a life of great asceticism there.
+ c 580. A disciple of St Germanus of Paris, he became Abbot of St Symphorian in Autun in France. Later he was called back to Paris to be the first Abbot of St Vincent and the Holy Cross - afterwards renamed Saint-Germain-des-Prés.
10th cent. After a worldly life, Drogo became a monk at Fleury-sur-Loire in France and afterwards at Baume-les-Messieurs.
+ c 610. Born in Ireland, he became a monk with St Columba and the first Abbot of Deer in Aberdeenshire. He is venerated as one of the Apostles of Scotland. His holy well is near Aberdour.
+ 1046. A monk at Lorsch, in 1014 he became Abbot of Corvey in Saxony in Germany
Dubricius (Dubric, Dyfrig)
+ c 545. One of the founders of monastic life in Wales. His main monastic centres were at Henllan and Moccas. However, he founded many other monasteries in Gwent and in England in what is now Herefordshire and the Wye Valley. He had jurisdiction over Caldey Island where he appointed St Samson abbot and later consecrated him bishop. A late tradition makes him Archbishop of Caerleon. He reposed on the Isle of Bardsey.
+ c 513. Archbishop of Armagh in Ireland from 497 to c 513.
+ 584. A monk at Micy (Saint-Mesmin) in Orleans in France and then a hermit near Bourges, where the village of Saint-Doulchard still exists.
Dulcidius (Dulcet, Doucis)
+ c 450. Successor of St Phoebadius as Bishop of Agen in France.
? A virgin-martyr venerated from time immemorial in Sutri in Italy. She is the main patron- saint of the town.
+ 717. Abbot of Iona in Scotland.
+ 988. Born in Westmeath in Ireland, he lived as a hermit near the monastery of Clonmacnoise until the year 969, when he became abbot there.
909-988. Born near Glastonbury, he became a monk and abbot there. He was called to court as a counsellor but was forced into exile. He then spent a year in Ghent, a centre of monastic revival, but then he was recalled to England by King Edgar and became his main advisor. He was consecrated Bishop of Worcester in 957 and Archbishop of Canterbury in 961. Together with Sts Ethelwold of Winchester and Oswald of York, he restored monastic life in England. He reposed peacefully at Canterbury.
+ c 460. Born in Wales, churches dedicated to her are to be found in Wales and Cornwall. Her holy well and shrine at Llanddwyn in Anglesey were once centres of pilgrimage.
Dyfan (Deruvianus, Damian)
2nd cent. By tradition an early missionary in Britain. His church in Merthyr Dyfan shows the popular tradition that he ended his days as a martyr.
5th cent. Born in Wales, he founded a church in Anglesey.
7th cent. Born in Wales, he was much venerated in Clwyd.
? Born in Ireland, she was forced to flee to Belgium accompanied by a priest, St Gerebern. Their relics were discovered at Gheel near Antwerp in the thirteenth century. Since then numberless cases of mental illness have been healed at their shrine.