Library

500–502 · Medieval

Ibar mac Lugna, whose name is also given as Iberius or Ivor, was an early Irish saint, patron of Beggerin Island, and bishop. The saint is sometimes said to have been one of the "Quattuor sanctissimi Episcopi" ("The four most sacred bishops") said to have preceded Saint Patrick i…

788–825 · Medieval

Saint Ida of Herzfeld (c. 770 – 4 September 825) was the widow of a Saxon duke who devoted her life to the poor following the death of her husband in 811. Her feast day is September 4.

1040–1113 · Medieval · Benedictines

Ida of Lorraine (also referred to as Blessed Ida of Boulogne) (c. 1040 – 13 April 1113) was a saint and noblewoman. She was the daughter of Godfrey III, Duke of Lower Lorraine and his wife Doda.

1211–1290 · Medieval

Ida of Louvain (died around 1300) was a Cistercian nun of Roosendael Abbey in the 13th-century Low Countries who is officially commemorated in the Catholic Church as blessed. Ida was born into a well-to-do family in Leuven, Duchy of Brabant (now Belgium).

1140–1226 · Medieval

Ida of Toggenburg (c. 1140 – 3 November 1226) (also: Idda, Ita, Itha, Itta, Ydda, Judith and Gutta of Fischingen) is a Swiss Christian nun, venerated as a saint in the Diocese of Constance especially in Fischingen, Switzerland.

1198–1231 · Medieval · Cistercians

Ida of Nivelles (c.1190 – 11 December 1231) was a beatified Cistercian nun and mystic. Ida was born into a prosperous mercantile family in Nivelles, an important market town and pilgrimage destination in Brabant, a short distance to the south of Brussels.

1100–1167 · Medieval · Cistercians

Saint Idesbald (Idesbaldus) (c. 1100–1167) was a Cistercian monk and abbot of Ten Duinen Abbey. As a youth Idesbald was a courtier and page to the Count of Flanders. It is believed that he was related to or proceeded from the noble family of Van der Gracht, lords of Moorsel.

797–877 · Medieval

Ignatius of Constantinople (Greek: Ἰγνάτιος; 798 – 23 October 877) was the Ecumenical Patriarch of Constantinople from 847 to 858 and from 867 to 877. Ignatius lived during a complex time for the Byzantine Empire.

1096–1147 · Medieval

Igor II Olgovich (died September 19, 1147) was Prince of Chernigov and Grand Prince of Kiev (1146). He was a son of Oleg I of Chernigov. He was the chosen successor of his brother, Vsevolod II of Kiev.

607–667 · Medieval · Benedictines

Ildefonsus or Ildephonsus (rarely Ildephoses or Ildefonse; Spanish: San Ildefonso; c. 8 December A.D. 607 – 23 January A.D. 667) was a scholar and theologian who served as the Metropolitan Archbishop of Toledo for the last decade of his life. His Gothic name was Hildefuns.

480–540 · Medieval

Illtud , also known as Illtud Farchog or Illtud the Knight, is venerated as the abbot teacher of the divinity school, Bangor Illtyd, located in Llanilltud Fawr (Llantwit Major) in Glamorgan, Wales.

1280 · Medieval · Franciscans

Illuminatus of Arce (Italian: Illuminato dell'Arce) or Illuminatus of Rieti (Illuminato da Rieti) was an earlier follower of Francis of Assisi.

1150–1186 · Medieval

Saint Bishop Ioann II (John) of Novgorod (Russian: Иоанн Новгородский, his name upon entering the Great Schema and the name by which he is known in Russian Orthodox hagiography), before 1185 known as Ilya of Novgorod was Archbishop of Novgorod from 1165 to his death in 1186.

1000–1076 · Medieval

Emad (also transliterated as Imad, Imed and Aimad; Arabic: عماد) is an Arabic masculine given name and surname and means "support" or "pillar".

1322–1333 · Medieval · Nuns of the Order of Preachers

Imelda Lambertini (1322 – 12 May 1333) was an Italian Catholic mystic and devotee of the Dominican Order. She is the patroness of First Communicants and many dioceses make use of her feast as a day to schedule First Communions and Confirmations.

710 · Medieval

Indract or Indracht was an Irish saint who, along with his companions, was venerated at Glastonbury Abbey, a monastery in the county of Somerset in south-western England.

670 · Medieval

Ine or Ini (died in or after 726) was King of Wessex from 689 to 726. At Ine's accession, his kingdom dominated much of what is now southern England.

1001–1050 · Medieval

Ingegerd Olofsdotter, also known as Irene or Anna (1001 – 10 February 1050), was a Swedish princess and the grand princess of Kiev from 1019 to 1050 as the wife of Yaroslav the Wise. She was the daughter of the Swedish king Olof Skötkonung by his wife Estrid of the Obotrites.

605 · Medieval

Ingenuinus or Ingenuin, also Jenewein (d. c. 605), was the second historically confirmed bishop of Sabiona or Säben. He is venerated as a saint. Little is known of his life. He was probably bishop of Sabiona from 577 to his death in about 605 and of Roman descent.

1225–1276 · Medieval · Dominican Order

Pope Innocent V (Latin: Innocentius V; c. 1225 – 22 June 1276), born Pierre de Tarentaise, was head of the Catholic Church and ruler of the Papal States from 21 January to 22 June 1276. A member of the Order of Preachers, he acquired a reputation as an effective preacher.

1150–1215 · Medieval

Ioane Shavteli (Georgian: იოანე შავთელი) was a Georgian poet of the late 12th and early 13th centuries credited to have written the encomiastic poem traditionally, and unsuitably, known as Abdulmesiani (აბდულმესიანი), i.e., "Slave of the Messiah" (from Arabic عبد المسيح, Abdul Ma…

762–826 · Medieval

Joseph the Confessor (d. Constantinople, 832) was a 9th-century Archbishop of Thessalonica and brother of Theodore Stoudites. He is commemorated as a saint on 14 July by the Eastern Orthodox Church.

752–803 · Medieval

Irene of Athens (Greek: Εἰρήνη, Eirḗnē; 750/756 – 9 August 803), surname Sarantapechaena (Greek: Σαρανταπήχαινα, Sarantapḗchaina), was Byzantine empress consort to Emperor Leo IV from 775 to 780, regent during the childhood of their son Constantine VI from 780 until 790, co-ruler…

1088–1134 · Medieval

Irene of Hungary (Greek: Είρήνη, born Piroska; 1088 – 13 August 1134) was the Byzantine empress by marriage to John II Komnenos. She is venerated as an Eastern Orthodox saint.

635–653 · Medieval

Saint Irene of Tomar (Portuguese: Santa Iria) (c.635 – c.653) was a Christian who was martyred for her faith in Visigothic Portugal. Her parents, wishing to protect her, sent her to a convent school and a private tutor.

831–866 · Medieval · Benedictines

Irmgard of Chiemsee (German: Selige Irmgard, also Irmengard; c. 831/833 – 16 July 866), a member of the Carolingian dynasty, was the second daughter of King Louis the German and his wife Hemma. She was the first abbess of Frauenwörth abbey from 857 until her death.

700–716 · Medieval · Benedictines

Irmina of Oeren (also called Ermina and Hirmina; died 720) was a saint, founder and abbess of a convent in Oeren, near Trier (Trèves), and co-founder of a convent in Echternach (now eastern Luxembourg).

1110–1178 · Medieval · Cistercians

Isaac of Stella, O.Cart, also referred to as Isaac de l'Étoile, (c. 1100, in England – c. 1170s, Étoile, Archigny, France) was a Cistercian (and later Carthusian) monk, theologian and philosopher.

640–700 · Medieval

Isḥaq of Nineveh (Syriac: ܡܪܝ ܐܝܣܚܩ ܕܢܝܢܘܐ, romanized: mār isḥāq d-ninwē; Arabic: إسحاق النينوي Ishaq an-Naynuwī; c. 613 – c. 700), also remembered as Saint Isaac the Syrian (Ancient Greek: Ἰσαὰκ ὁ Σύρος), Isaac of Nineveh, Abba Isaac, Isaac Syrus and Isaac of Qatar, was a 7th-ce…

1225–1270 · Medieval · Poor Clares

Isabelle of France (March 1225 – 23 February 1270) was a French princess and daughter of Louis VIII of France and Blanche of Castile. She was a younger sister of King Louis IX of France (Saint Louis) and of Alfonso, Count of Poitiers, and an older sister of King Charles I of Sici…

1050–1090 · Medieval

Isaiah of Rostov (fl. 1062 – died 1089 or 1090) was a Russian Christian missionary and bishop. His feast day in the Russian Orthodox Church is celebrated on May 15. Isaiah was born near Kiev. He was tonsured at Kiev Pechersk Lavra, and became abbot of Saint Dmitry's Monastery.

501–550 · Medieval

Saint Isan was a 6th-century saint of South Wales and Patron Saint of Llanishen in Cardiff, Wales. He was said to have been a follower of the 6th-century Celtic teacher St Illtyd. In A.D.

600–501 · Medieval

Isfael or Ismael (Old Welsh: Ysmail), often anglicised as Ishmael, was a 6th-century medieval Welsh bishop of Rhos and saint. He was allegedly also a Breton prince of Armorica.

1200–1204 · Medieval · Premonstratensians

Isfrid of Ratzeburg was a Premonstratensian Prince-Bishop of Ratzeburg. Isfrid was a professed canon of the Cappenberg monastery in Westphalia. In 1159, Isfrid was appointed the Provost of Jerichow. There he finished construction of the Romanesque collegiate church of St.

560–636 · Medieval

Isidore of Seville (Latin: Isidorus Hispalensis; c. 560 – 4 April 636) was a Hispano-Roman scholar, theologian and archbishop of Seville. He is widely regarded, in the words of the 19th-century historian Charles Forbes René de Montalembert, as "the last scholar of the ancient wor…

1079–1130 · Medieval

Isidore the Laborer, born Isidro de Merlo y Quintana, also known as Isidore the Farmer (Spanish: San Isidro Labrador) (c. 1070 – 15 May 1130), was a Mozarab farmworker who lived in medieval Madrid.

1244 · Medieval · Dominican Order

Isnardo da Chiampo, OP (d. 19 March 1244) was an Italian Catholic priest and professed member in the Order of Preachers. He studied in Bologna (where Dominic of Osma himself received him into his order) and in Milan before preaching in northern Italian cities such as Brescia and…

592–652 · Medieval · Benedictines

Itta of Metz, OSB (also Ida, Itte or Iduberga; 592–8 May 652) was the wife of Pepin of Landen, Mayor of the Palace of the Kingdom of Austrasia.

1304–1341 · Medieval

Ivan I Danilovich Kalita (Russian: Иван I Данилович Калита, lit. 'money bag'; c. 1288 – 31 March 1340) was Prince of Moscow from 1325 and Grand Prince of Vladimir from 1331 until his death in 1340.

1040–1116 · Medieval

Ivo of Chartres, Can.Reg. (also Ives, Yves, or Yvo; Latin: Ivo Carnutensis; c. 1040 – 23 December 1115), was a French canon regular and abbot who then served as the Bishop of Chartres from 1090 until his death.

1253–1303 · Medieval · Third Order of Saint Francis

Ivo of Kermartin, TOSF (17 October 1253 – 19 May 1303), also known as Yvo, Yves, or Ives (and in Breton as Erwan, Iwan, Youenn or Eozenn, depending on the region, and known as Yves Hélory (also Helori or Heloury) in French), was a parish priest among the poor of Louannec, the onl…

501–700 · Medieval

Saint Ivo (also known as Ives) was a Cornish bishop and hermit, and became the eponymous saint of St Ives, Huntingdonshire. The discovery of Bishop Ivo's remains in 1001 was first mentioned briefly in John of Worcester's Chronicon ex chronicis.

704 · Medieval

Iwig (alternatively Iwi, Iwigius, or Ywi of Lindisfarne) was a saint venerated in Wiltshire, England in the Middle Ages. He was reputedly a Northumbrian monk, said to have died and to have been buried in Brittany.

505–578 · Medieval

Jacob Baradaeus , also known as Jacob bar Addai or Jacob bar Theophilus, was the Bishop of Edessa from 543/544 until his death in 578. He is venerated as a saint in the Oriental Orthodox Churches and his feast day is 31 July.

451–521 · Medieval

Jacob of Serugh , also called Jacob of Sarug or Mar Jacob (Syriac: ܡܪܝ ܝܥܩܘܒ, romanized: Mār Yaʿquḇ), was one of the foremost poets and theologians of the Syriac Christian tradition, second only to Ephrem the Syrian and equal to Narsai.

1190–1239 · Medieval · Third Order of Saint Francis

Blessed Jacoba of Settesoli (Italian: Giacoma de Settesoli; 1190–1273? was a follower of the Italian saint Francis of Assisi. She is also called Jacqueline Marie de Settesoli, or Brother Jacoba, as Francis had named her.

1228–1298 · Medieval · Dominican Order

Jacobus de Voragine, OP (c. 1230 – 13/16 July 1298) was an Italian chronicler and archbishop of Genoa. He was the author, or more accurately the compiler, of the Golden Legend, a collection of the legendary lives of the greater saints of the medieval church that was one of the mo…

1370–1399 · Medieval

Jadwiga , also known as Hedwig (from German, Hungarian: Hedvig), was the first female monarch of the Kingdom of Poland, as well as its last hereditary ruler. She reigned from 16 October 1384 until her death.

1400–1496 · Medieval · Order of Friars Minor

James of Sclavonia (Croatian: Jakov Zadranin; c. 1400 – 27 April 1485 or 1496), also known as Giacomo Illirico, Giacomo of Bitetto or Jakov Varingez, was a Croatian friar of the Order of Friars Minor (Franciscans). He assumed the religious name "Giacomo".

1340–1409 · Medieval · Order of Friars Minor

Jakub Strzemię (c. 1340 - 20 October 1409) was a Polish Roman Catholic archbishop and a professed member of the Order of Friars Minor. He served as the Archbishop of Halicz from 1392 until his death when the archdiocese was incorporated into that of the Archdiocese of Lviv.