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500 · Medieval

Afrella or Arilda was an early 6th century Welsh saint. Afrelia was the daughter of "a high-ranking official at the royal court of Gwent" whom it has been suggested was Vortimer, a son of Vortigen and his queen Severa Verch Macsen (daughter of Roman Emperor Maximus).

490–536 · Medieval

Pope Agapetus I (489/490 – 22 April 536) was the bishop of Rome from 13 May 535 to his death on 22 April 536. His father, Gordianus, was a priest in Rome and he may have been related to two popes, Felix III and Gregory I.

574–681 · Medieval · Benedictines

Pope Agatho (577 – 10 January 681) served as the bishop of Rome from 27 June 678 until his death on 10 January 681. He heard the appeal of Wilfrid of York, who had been displaced from his see by the division of the archdiocese ordered by Theodore of Canterbury.

850–923 · Medieval

Ageltrude or Agiltrude (around 860 – 27 August 923) was the Empress and Queen of Italy as the wife of Guy (reigned 891–894). She was the regent for her son Lambert (reigned 894–898) and actively encouraged him in opposing the Carolingians, and in influencing papal elections in th…

521–588 · Medieval

Agericus of Verdun (also known as Saint Agericus, Airy or Aguy; Latin: Agericus, 521-588) was the tenth Bishop of Verdun and an advisor to King Childebert II of Austrasia.

750–751 · Medieval

Saint Agilulfus (or Agigulf), Abbot of Stavelot, Bishop of Cologne and martyr, died around the year 750. Apart from his name, "the events of his life are uncertain", and an early account written by a monk of Malmedy is deemed untrustworthy.

583–650 · Medieval

Saint Agilus (or Agilo, Ayeul, Aisle, Ail, Aile; c. 580–650) was a Frankish nobleman who became a Christian missionary in Bavaria and later was abbot of Rebais monastery near Paris, France. He was considered a saint, and his feast day is 30 August.

535–596 · Medieval · Basilian monks

Agnellus of Naples (Italian: Agnello) or Aniello the Abbot (535, Naples - 14 December 596, Naples) was a Basilian monk and later Augustinian friar. He is venerated as a saint by the Catholic Church, with a feast day on 14 December, the date of his death.

1197–1253 · Medieval · Poor Clares

St. Agnes Sciffi, of Assisi (1197/1198 - 1253) was one of the founding members of the Order of Poor Ladies (The Poor Clares).  Agnes eventually established the convent of Monticelli near Florence, then went on to establish orders in Verona, Padua, Venice, and Mantua.

1211–1282 · Medieval · Poor Clares

Agnes of Bohemia, OSC (Czech: Svatá Anežka Česká, 20 January 1211 – 2 March 1282), also known as Agnes of Prague, was a medieval Bohemian princess who opted for a life of charity, mortification of the flesh and piety over a life of luxury and comfort.

1268–1317 · Medieval · Nuns of the Order of Preachers

Agnes of Montepulciano, OP (28 January 1268 – 20 April 1317) was a Dominican prioress in medieval Tuscany who was known as a miracle worker during her lifetime. She is honored as a saint by the Catholic Church.

600–588 · Medieval

St. Agnes of Poitiers is a French saint and abbess, who was "recognized for her holiness and intelligence" and called "model of the conventual life". She served as abbess of Holy Cross convent in Poitiers, France until her death in 586.

769–840 · Medieval

Agobard of Lyon (c. 769 – 840) was a Spanish-born priest and archbishop of Lyon, during the Carolingian Renaissance. The author of multiple treatises, ranging in subject matter from the iconoclast controversy to Spanish Adoptionism to critiques of the Carolingian royal family, Ag…

620–700 · Medieval

Saint Agricola (Agricol, Agricolus) of Avignon (c. 630–c. 700) was a bishop of Avignon. According to tradition, Agricola ("farmer") was the son of Saint Magnus, also a bishop of the city. At the age of sixteen, he was professed a monk at the Abbey of Lérins.

497–580 · Medieval

Bishop Agricola was a 6th-century Bishop of Chalon-sur-Saône in France, where he built a leper-hospital. Agricola was born to a senatorial family around 497. In 532 he was elected to the episcopal see of Chalon-sur-Saene, where he long shone for his virtues.

602 · Medieval

Agrève or Égrève, sometimes called Agripan (in Latin: Agripanus), was a bishop of Le Puy-en-Velay who died a martyr on February 1, 602. He is nicknamed the "Apostle of the Boutières" due to his extensive missionary activity in that region.

600–615 · Medieval

Agrippinus (6th century – 617) was the thirteenth bishop of Como. He is venerated as a saint, particularly in the Diocese of Como, although during the Schism of the Three Chapters he sided with the faction that had broken communion with the Pope.

501–575 · Medieval

Ahudemmeh was the Grand Metropolitan of the East in the Syriac Orthodox Church from 559 until his execution in 575. He was known as the Apostle of the Arabs, and is commemorated as a saint by the Syriac Orthodox Church.

1060–1140 · Medieval · Benedictines

Aibert (or Aybert) of Crespin, (also Aibert of Tournai) was a Benedictine monastic and hermit revered for his intense life of prayer, asceticism and devotion to Mary. His biography was written by a contemporary, Robert, Archdeacon of Oostrevand.

590–651 · Medieval

Aidan of Lindisfarne (Irish: Naomh Aodhán; died 31 August 651) was an Irish monk and missionary credited with converting the Anglo-Saxons to Christianity in Northumbria.

630–676 · Medieval · Benedictines

Saint Aigulphe was a Benedictine monk born in 630 in Blois, Kingdom of France. He died in 676 on the island of Capraia.

528 · Medieval

Saint Ailbe (Irish: Ailbhe [ˈalʲəvʲə]; Latin: Albeus, Alibeus), usually known in English as St Elvis (British/Welsh), Eilfyw or Eilfw, was regarded as the chief 'pre-Patrician' saint of Ireland (although his death was recorded in the early 6th-century).

650–664 · Medieval

Ailerán, also known as Ailerán Sapiens (Ailerán the Wise) was an Irish scholar and saint who died on 29 December 664 or 665. His feast day is 29 December. Ailerán was one of the most distinguished scholars at the School of Clonard in the 7th century.

1173 · Medieval · Benedictines

Saint Aimo (also Aymon or Hamon) (born in Landecob near Rennes, France; died 1173) was a mystic and a monk at Savigny Abbey. He was born in the village of Landecob, Brittany, near Rennes. Aimo entered the monastery of Savigny in Savigny, Normandy.

1001–1109 · Medieval · Cistercians

Alberic of Cîteaux (died 26 January 1109), sometimes known as Aubrey of Cîteaux, was a French monk and abbot, one of the founders of the Cistercian Order. He is now honored as a saint.

701–784 · Medieval · Benedictines

Saint Alberic of Utrecht, Dutch: Alberik I van Utrecht, (died 21 August 784) was a Benedictine monk and bishop of Utrecht, in what is today the Netherlands. Alberic was the nephew of Saint Gregory of Utrecht.

1070–1128 · Medieval

Albero I of Louvain (1070 – 1 January 1128) was the 57th Prince-Bishop of Liège from 1123 until his death. Albero was the third son of Henry II, Count of Leuven and Adela of Tweisterbant.

701–800 · Medieval

Albert of Cashel was an eighth century saint and Patron of Cashel, Ireland. Traditionally held to be an Englishman who worked in Ireland and then Bavaria, Albert went to Jerusalem and died in Regensburg on his return journey.

1090–1180 · Medieval · Cistercians

Albert of Genoa, also known as Lambert of Genoa, was a Cistercian hermit. Born in Genoa, Italy, Albert entered the Cistercian abbey nearby. There he remained for the rest of his life as a lay brother and a hermit.

1166–1192 · Medieval

Albert of Louvain (1166 – 24 November 1192) was a cardinal of the Catholic Church and the Prince-Bishop of Liège. He was canonized as a saint on 9 August 1613 and his feast falls on the date of his death.

1031–1127 · Medieval

Albert, born in Normandy, was taken to Motta Montecorvino in Apulia, Italy as a child. He later became Bishop there. Albert became blind in later years, but was known for his visions and as a miracle worker.

1165–1229 · Medieval

Albert of Riga or Albert of Livonia (c. 1165 – 17 January 1229) was the third Catholic Bishop of Riga in Livonia. As the Bishop of Livonia, in 1201, he founded Riga, the modern capital city of Latvia, and the city was later made a bishopric.

1149–1215 · Medieval · Canons Regular of Saint Augustine

Albert of Jerusalem, OSC (1149 – 14 September 1214), also Albertus Hierosolymitanus, Albertus Vercelensis, Saint Albert, Albert of Vercelli or Alberto Avogadro, was a canon lawyer and saint.

1294 · Medieval · Camaldolese

Saint Albertino da Montone was a Camaldolese monk born in Montone. He died in 1294 at the Monastery of Fonte Avellana.

1025–1095 · Medieval · Benedictines

Albert of Pontida, also known as Albert of Prezzate and Albert Prezzati (born in Prezzate in 1025; died in Pontida, Lombardy, on September 2, 1095), was a Lombard nobleman and knight who became a Benedictine monk and founder. He is venerated as a saint by the Catholic Church.

1200–1280 · Medieval · Dominican Order

Albertus Magnus OP (c. 1200 – 15 November 1280), also known as Saint Albert the Great, Albert of Swabia, Albert von Bollstadt, or Albert of Cologne, was a German Dominican friar, philosopher, scientist, and bishop.

469–550 · Medieval

Saint Albinus of Angers (French: Saint-Aubin; c. 470 – March 1, 550), also known as Saint Albin in English, was a French abbot and bishop. Born to a noble Gallo-Roman family at Vannes, Brittany, St. Albinus was a monk and from 504 A.D.

1000–1006 · Medieval

Alboin (530s – 28 June 572) was king of the Lombards from about 560 until 572. During his reign the Lombards ended their migrations by settling in Italy, the northern part of which Alboin conquered between 569 and 572.

800–800 · Medieval

Alkmund of Derby (or of Lilleshall), also spelt Ealhmund, Alhmund, Alcmund, or Alchmund (d. c. 800) was a son of Alhred of Northumbria, who was caught up in the kingdom's dynastic struggles. After more than twenty years in exile among the Picts, Alkmund returned with an army.

781 · Medieval

Alcmund of Hexham (died 7 September 780 or 781) became the 7th bishop of the see of Hexham in Northumberland when he was consecrated on 24 April 767; the see was centred on the church there founded by Wilfrid.

1164–1219 · Medieval

Aldebrandus or Aldebrand (Italian: Aldebrando da Fossombrone), also known as Hildebrand (1119–30 April 1219), was a Bishop of Fossombrone and a saint. Aldebrandus was almost certainly born at Sorrivoli in the comune of Roncofreddo, Italy.

939 · Medieval · Benedictines

Aldegrin, also known as Adegrin or Adalgrin, called "of Baume," died in 939. He was a former knight who later became a Benedictine monk and a student of Odo of Cluny. He is venerated as a saint in the Catholic and Orthodox Churches, and his feast days are June 4 and November 19.

639–684 · Medieval · Benedictines

Aldegund (c. 639–684), also Aldegundis or Aldegonde, was a Frankish Benedictine abbess who is honored as a saint by the Roman Catholic Church in France and by the Orthodox Church. Aldegund was closely related to the Merovingian royal family.

985–1070 · Medieval · Benedictines

Aldemar of Capua (or Aldemario), known as the Wise (Capua, 985 – Bucchianico, March 24, 1070), was a Benedictine monk of the Abbey of Monte Cassino, later abbot of San Lorenzo in Capua, and a founder and reformer of numerous monasteries in central and southern Italy.

700–696 · Medieval · Benedictines

Aldetrude (died c. 696, or 526) was a Christian saint and from 684 was abbess of Maubeuge Abbey in the County of Hainault, now in northern France. She is also known as Aldetrude de Maubeuge, Aldetrude of Maubod, Aldetrudis and Adeltrude.

639–709 · Medieval · Benedictines

Aldhelm (Old English: Ealdhelm, Latin: Aldhelmus Malmesberiensis; c. 639 – 25 May 709), Abbot of Malmesbury Abbey, Bishop of Sherborne, and a writer and scholar of Latin poetry, was born before the middle of the 7th century.

800–856 · Medieval

Saint Aldric (c. 800 – 7 January 856) was Bishop of Le Mans in the time of Louis the Pious. Aldric was born into a noble family, of partly Saxon and partly Bavarian extraction, about the year 800.

775–841 · Medieval

Saint Aldric of Sens was a prelate, writer, and archbishop of Sens. A citizen of the Carolingian Empire, he is recognized as a saint.

601–640 · Medieval

Alena, also known as Alène or Alina, is a Christian saint who was martyred around the year 640. She is sometimes referred to as Alena of Forest, Alena of Brussels, or Alena of Belgium, having died in Forest, Belgium, which is now one of the nineteen municipalities of Brussels.

1220–1263 · Medieval

Alexander Yaroslavich Nevsky was Prince of Novgorod (1236–1240; 1241–1256; 1258–1259) and Grand Prince of Vladimir (1252–1263). A grandson of Vsevolod the Big Nest, Nevsky rose to legendary status after victories over Swedish invaders in the Battle of the Neva (1240), which earn…