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1293–1381 · Medieval · Canons Regular of Saint Augustine

John of Ruusbroec or Jan van Ruusbroec , sometimes modernized Ruysbroeck, was an Augustinian canon and one of the most important of the medieval mystics of the Low Countries.

450–539 · Medieval

Saint John of Réôme (French: Jean de Réôme, Latin: Iohannis Reomaensis; died c. 539) was an early Christian abbot in what is now Moutiers-Saint-Jean in the Côte-d'Or department of France. His feast is on 28 January. John of Réôme was born in Courtangy, France, around 450.

1419–1479 · Medieval · Order of St. Augustine

John of Sahagún, OESA (Spanish: Juan de Sahagún), (c. 1430 – 11 June 1479) was a Spanish Augustinian friar and priest. He was a leading preacher of his day, and was known as a peacemaker and reconciler of enemies among the nobles and factions of Salamanca.

1100–1111 · Medieval · Benedictines

John of Trogir (died before 1111) was the bishop of Trogir, a Christian saint who lived in the 11th century. He was originally a Benedictine monk in the monastery of Saint Peter in Osor, located on the island of Cres.

1084–1170 · Medieval

John of Tufara (Italian: Giovanni da Tufara; Latin: Ioannes de Tuphária) also known as John the Hermit (Italian: Giovanni Eremita; Latin: Ioannes eremítæ; 1084 – 14 November 1170) was an Italian hermit, monastery founder, and saint in the Catholic Church.

1205–1283 · Medieval · Dominican Order

John of Vercelli (Giovanni da Vercelli) (c. 1205 – 30 November 1283) was the sixth Master General of the Dominican Order (1264-1283). John was born in 1205 to the Garbella family in Mosso Santa Maria in the Province of Biella, in the Piedmont region of Italy.

1098–1168 · Medieval

John of the Grating (Latin: Johannes a Craticula, French: Jean de Châtillon; died 1163) was a Cistercian Bishop of Aleth. He moved his episcopal see to Saint-Malo to protect it from pirates. John was born in Brittany in 1098. He was made bishop of Aleth in 1144.

850–901 · Medieval

John the Exarch (also transcribed Joan Ekzarh; Church Slavonic: Їѡаннъ Єѯархъ Bulgarian: Йоан Екзарх) was a medieval Bulgarian scholar, writer and translator, one of the most important men of letters working at the Preslav Literary School at the end of the 9th and the beginning o…

651 · Medieval

John the Good (Latin: Ioannes Bonus, Italian: Giovanni Bono or Buono), also known as John Camillus, was Archbishop of Milan from c. 641 to 669. He is honoured as a saint in the Eastern Orthodox Church and Roman Catholic Church.

920–1005 · Medieval

John the Iberian (Georgian: იოანე მთაწმინდელი; died c. 1002) was a Georgian monk, who is venerated as a saint. His name refers to his origins from the Kingdom of the Iberians.

550–619 · Medieval

John V Eleemon (Greek: Ἰωάννης ὁ Ἐλεήμων, romanized: Iōannēs ho Eleēmōn), also known as John the Almsgiver, John the Almoner, John the Compassionate, or John the Merciful, was the Chalcedonian Patriarch of Alexandria from 606 to 616. He was born in Amathus around 560.

1300–1340 · Medieval

Saint John the New Monastery (Romanian: Mănăstirea Sfântul Ioan cel Nou) is a Romanian Orthodox monastery in Suceava, Romania. Built between 1514 and 1522, the monastery church is one of eight buildings that make up the churches of Moldavia UNESCO World Heritage Site, and is also…

500–530 · Medieval

John the Prophet, known also as Venerable John, was an eastern christian hermit of the monastery of Seridus and teacher of Dorotheus of Gaza. He is venerated as a saint in the Roman Catholic and Eastern Orthodox churches.

454–558 · Medieval

John the Silent (c. January 8, 454 – c. 558), also known as "John the Hesychast" (Greek: Ἅγιος Ἰωάννης ὁ Ἡσυχαστής), was a Christian saint known for living alone for seventy-six years. He was given the surname because of his affinity for recollection and silence. St.

1390–1461 · Medieval

Jonah of Moscow (Russian: Иона, romanized: Iona; died 31 March 1461) was Metropolitan of Kiev and all Rus', the primate of the Russian Orthodox Church, from 1448 until his death in 1461.

1190–1237 · Medieval · Dominican Order

Jordan of Saxony, OP (referred to in Latin as Jordanis, also known as de Alamania; c. 1190 – 1237), was a German Catholic priest and one of the first leaders of the Dominican Order. His feast day is February 13.

700–764 · Medieval

Joseph of Freising (died 17 January 764), also known as Joseph of Verona, was Bishop of Freising from 747 or 748 until his death. There is no direct evidence of Joseph's place of origin or place of birth.

816–886 · Medieval

Joseph the Hymnographer (Greek: Όσιος Ιωσήφ ο Υμνογράφος, romanized: Ósios Iosif o Ymnográfos) was a Greek monk of the ninth century. He is regarded as one of the greatest liturgical poets and hymnographers of the Eastern Orthodox Church.

500–600 · Medieval

Joshua the Stylite (also spelled Yeshu Stylite and Ieshu Stylite) is the attributed author of a chronicle which narrates the history of the war between the Byzantine Empire and Persians between 502 and 506, and which is generally considered to be one of the earliest and most reli…

990–1016 · Medieval

Jovan Vladimir or John Vladimir (Serbian Cyrillic: Јован Владимир; c. 990 – 22 May 1016) was the ruler of Duklja, the most powerful Serbian principality of the time, from around 1000 to 1016.

1080–1163 · Medieval

Juan de Ortega, better known as Saint John the Hermit (1080 – 1163), was a Spanish priest and hermit. A disciple of Dominic de la Calzada, he is best known for repairing roads and bridges along the Camino de Santiago.

600–668 · Medieval

Saint Judoc, otherwise known as Jodoc, Joyce or Josse (Latin: Iudocus; traditionally c. 600 – 668 AD) was a seventh-century Breton noble considered to be a saint. Judoc was a son of Juthael, King of Brittany.

1128–1208 · Medieval

Julián of Cuenca (c. 1127 – 28 January 1208), also known as Saint Julián, was a Spanish Roman Catholic prelate who served as the Bishop of Cuenca from 1196 until his death. He also served as a professor and preacher in addition to being a simple hermit.

642–690 · Medieval

Julian of Toledo (642–690) was born in Toledo, Hispania. He was well educated at the cathedral school, was a monk and later abbot at Agali, a spiritual student of Saint Eugene II, and archbishop of Toledo.

700–1000 · Medieval

Saint Julian the Hospitaller is a saint venerated in the Catholic Church and Eastern Orthodox Church. He is the patron saint of the cities of Ghent, Belgium; Saint Julian's, Malta; and Macerata, Italy. The earliest known reference to Julian dates to the late twelfth century.

1270–1341 · Medieval · Servite Order

Juliana Falconieri, O.S.M., (1270 – 19 June 1341) was the Italian foundress of the Religious Sisters of the Third Order of Servites (Mantellate Sisters or the Servite Tertiaries). Juliana belonged to the noble Falconieri family of Florence.

1193–1258 · Medieval · Premonstratensian canonesses

Juliana of Liège (also called Juliana of Mount-Cornillon), (c. 1192 or 1193 – 5 April 1258) was a medieval Norbertine canoness regular and mystic in what is now Belgium.

482–565 · Medieval

Justinian I (Latin: Iustinianus, Ancient Greek: Ἰουστινιανός, romanized: Ioustinianós; 482 – 14 November 565), also known as Justinian the Great, was Eastern Roman emperor from 527 to 565.

669–711 · Medieval

Justinian II (Greek: Ἰουστινιανός, romanized: Ioustinianós; Latin: Iustinianus; 668/69 – 4 November 711), nicknamed "the Slit-Nosed" (Greek: ὁ Ῥινότμητος, romanized: ho Rhīnótmētos), was the last Byzantine emperor of the Heraclian dynasty, reigning from 685 to 695 and again from…

500–600 · Medieval

Saint Justinian (Welsh: Stinan, Jestin, Iestin) was a 6th-century hermit who lived on Ramsey Island, near St. David's, in the Welsh county of Pembrokeshire. Tradition states that he was a Breton nobleman who settled on the island of Ramsey as a hermit.

600 · Medieval · Benedictines

Justus (died on 10 November between 627 and 631) was the fourth archbishop of Canterbury. Pope Gregory the Great sent Justus from Italy to England on a mission to Christianise the Anglo-Saxons from their native paganism; he probably arrived with the second group of missionaries d…

450–527 · Medieval

Justus of Urgell (Catalan: Sant Just, Spanish: San Justo; died after 546 AD) was a Spanish bishop and saint. He is the first recorded bishop of Urgell, and participated in the Second Council of Toledo in 527.

1200–1260 · Medieval · Third Order of Saint Francis

Jutta of Kulmsee (also called Judith and Otta.c. 1200-May 5, 1264), was a German member of the Third Order of Saint Francis. Jutta was born in Sangerhausen, Germany, southwest of Eiseleben, to the noble family of Sangerhausen, who were related to the dukes of Brunswick.

1091–1136 · Medieval · Benedictines

Countess Jutta von Sponheim (22 December 1091 – 1136) was the youngest of four noblewomen who were born into affluent surroundings in what is currently the Rhineland-Palatinate. She was the daughter of Count Stephen of Spanheim.

750–792 · Medieval · Benedictines

Jænberht (died 12 August 792) was a medieval monk, and later the abbot, of St Augustine's Abbey, Canterbury, who was named Archbishop of Canterbury in 765.

1052–1121 · Medieval

Jón Ögmundsson or Ögmundarson (Latin: Ioannes Ögmundi filius; 1052–23 April 1121), also known as John of Hólar and St. Jón Ögmundarson or Ögmundsson (Icelandic: Jón helgi Ögmundarson/Ögmundsson), was an Icelandic Catholic bishop.

450–540 · Medieval

Kaleb (Ge'ez: ካሌብ, Latin: Caleb), also known as Elesbaan (Ge'ez: እለ አጽብሐ, Koine Greek: Ἐλεσβαᾶς), Ella Asbeha, or Hellestheaios, was King of Aksum, which was situated in what is now Ethiopia and Eritrea.

810–865 · Medieval

Kassia, Cassia, Kassiane, or Kassiani was a Byzantine-Greek composer, hymnographer and poet. She holds a unique place in Byzantine music as the only known woman whose music appears in the Byzantine liturgy.

498–618 · Medieval

Kevin (Modern Irish: Caoimhín; Old Irish: Cóemgen, Caemgen; Latinized Coemgenus; 498 (reputedly)–3 June 618) is an Irish saint, known as the founder and first abbot of Glendalough in County Wicklow, Ireland. His feast day is 3 June.

500 · Medieval

Kew is a district in the London Borough of Richmond upon Thames. Its population at the 2011 census was 11,436. Kew is the location of the Royal Botanic Gardens ("Kew Gardens"), now a World Heritage Site, which includes Kew Palace.

1224–1292 · Medieval · Sisters Clarists of the Rule of Urban IV

Kinga of Poland or Kinga of Hungary, also Saint Kinga (also known as Cunegunda; Polish: Święta Kinga, Hungarian: Szent Kinga, Lithuanian: Šv. Kunigunda) (5 March 1224– 24 July 1292) is a saint in the Catholic Church and patroness of Poland and Lithuania.

1100–1150 · Medieval

Kjeld or Ketil (Latin: Chetillus, Ketillus, Danish: Keld, Kjeld, Ketil; fl. 1100–1150) was a 12th-century Danish clergyman. He is venerated as a saint in Denmark, by both Catholics and Danish Lutherans.

1404–1453 · Medieval

Constantine XI Dragases Palaiologos or Dragaš Palaeologus (Greek: Κωνσταντῖνος Δραγάσης Παλαιολόγος, romanized: Kōnstantīnos Dragásēs Palaiológos; 8 February 1404 – 29 May 1453) was the last reigning Byzantine emperor from 23 January 1449 until his death in battle at the fall of…

768–853 · Medieval

Konstanti Kakhay or Konstanti Kakhi (Georgian: კონსტანტი კახაჲ; კონსტანტი კახი) (768 – November 10, 853) was a Christian Georgian nobleman from Kartli, who was seized captive by the Abbasid general Bugha al-Kabir during his 853 expedition into the Caucasus.

1201–1323 · Medieval

Kosmas the Zographite or Kozma Zografski (Bulgarian: Козма Зографски) was a medieval Bulgarian saint venerated in the Eastern Orthodox Church. Saint Kozma was born in the second half of the 13th century in Tarnovo, the capital of the Bulgarian Empire, to a noble family.

1003 · Medieval · Benedictines

Krystyn is a masculine Polish given name. Feminine equivalent: Krystyna. Notable people with the name include:

1001–1113 · Medieval

Kuksha of the Kiev Caves (Russian: Кукша Печерский, romanized: Kuksha Pechersky; died after 1114) was a monk and martyr from the Kiev Pechersk Lavra.

1040–1095 · Medieval

Ladislaus I (Hungarian: I. László, Croatian: Ladislav I., Slovak: Ladislav I., Polish: Władysław I; c. 1040 – 29 July 1095), also known as Saint Ladislas, was King of Hungary from 1077 and King of Croatia from 1091.

450–564 · Medieval

Saint Laisrén mac Nad Froích (died 564), or Laisrén of Devenish and Lasserian, known as Mo Laisse, was the patron saint of Devenish Island in Lough Erne, near Enniskillen, County Fermanagh, Ireland, in the present diocese of Clogher.

635–705 · Medieval · Benedictines

Lambert of Maastricht, commonly referred to as Saint Lambert (Latin: Lambertus; Middle Dutch: Sint-Lambrecht; Limburgish: Lambaer, Baer, Bert(us); c. 636 – c. 705), was the bishop of Maastricht-Liège (Tongeren) from about 670 until his death.