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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.

1250–1332 · Medieval · Dominican Order

Giacomo Benefatti (died 19 November 1332) was an Italian Catholic priest and professed member of the Order of Preachers who ascended to the position of Bishop of Mantua.

1231–1314 · Medieval · Dominican Order

Giacomo Salomoni, OP (1231 – 31 May 1314) was an Italian Catholic priest and a professed member of the Order of Preachers. He was a noted ascetic known for being prone to ecstatic states on a frequent basis; he served as a prior of several convents until he settled in Forlì, wher…

1285–1366 · Medieval · Augustinians

James of Cerqueto was a Latin Catholic priest and member of the Augustinian order born in 1285 in Cerqueto. He died in 1366 in Perugia and is recognized as a blessed within the Catholic Church.

1255–1308 · Medieval · Augustinians

James of Viterbo OSA (Italian: Giacomo da Viterbo; c. 1255 – c. 1307), born Giacomo Capocci (nicknamed Doctor speculativus), was an Italian Roman Catholic Augustinian friar and Scholastic theologian, who later became Archbishop of Naples.

1393–1476 · Medieval · Order of Friars Minor

Jacob de Marchia (Latin: Jacobus de Marchia, Italian: Giacomo della Marca; c. 1391 – 28 November 1476), commonly known in English as Saint James of the Marches, was an Italian Friar Minor, preacher and writer. He was a Papal legate and Inquisitor.

671 · Medieval

James the Deacon (died after 671) was a Roman deacon who accompanied Paulinus of York on his mission to Northumbria. He was a member of the Gregorian mission, which went to England to Christianise the Anglo-Saxons from their native Anglo-Saxon paganism.

1123–1160 · Medieval · Carthusian Order

John of Spain, born in 1123 in Almanza (Kingdom of León) and died on June 25, 1160, in the commune of Le Reposoir (Duchy of Savoy), was the founder of the Charterhouse of Le Reposoir. He was beatified on July 14, 1864, by Pope Pius IX.

1331–1414 · Medieval

Jeanne-Marie de Maille (14 April 1331 − 28 March 1414) was a French Roman Catholic anchoress and a member of the Third Order of Saint Francis.

787 · Medieval

Jerome of Pavia, also known as Gerolamo, was Bishop of Pavia, from 778 until his death. He is recognised as a saint in the Eastern Orthodox Church and Roman Catholic Church. Jerome's cultus was confirmed in the Roman Catholic Church on 20 December 1888 by Pope Leo XIII.

1350–1417 · Medieval · Order of the Blessed Virgin Mary of Mercy

Joan Gilabert Jofré (1364–1417), also known as Padre Jofré or Pare Jofré, was a member of the Christian religious Order of Mercy and the founder of what is claimed to be the first psychiatric care institution in Europe, in Valencia, Crown of Aragon, in medieval Spain.

1452–1490 · Medieval · Dominican Order

Joanna of Portugal OP was a Portuguese regent princess of the House of Aviz, daughter of King Afonso V of Portugal and his first wife, Queen Isabel of Coimbra. She served as regent during the absence of her father in 1471.

1350–1450 · Medieval · Lay Carmelites

Jeanne of Toulouse is a Catholic blessed. While the details of her biography are subject to caution, it appears she lived between the 13th and 14th centuries in Toulouse, in the Kingdom of France. She is linked to the history of the Carmelite convent in the city.

1400–1414 · Medieval · Dominican Order

Jofré de Blanes was a Catholic priest born in Barcelona in the Crown of Aragon in 1400. A member of the Dominican Order, he died in 1414. He is recognized as a blessed by the Catholic Church.

1400–1427 · Medieval

Johannes Rimer (born in the 14th century; died May 16, 1427) was a priest in the then-Bohemian town of Lauban in Upper Lusatia. When the Hussites conquered the town in May 1427, he was murdered along with approximately 1,000 other Catholics.

1394–1471 · Medieval · Carmelites

John Soreth (1394 – 1471) was a French Carmelite friar and became a Prior General of the Order of Carmelites. John Soreth was born near Caen in Normandy, France in 1394 and entered the Carmelite house there.

1390–1474 · Medieval

John Cantius (Latin: Joannes Cantius; Polish: Jan z Kęt or Jan Kanty; 23 June 1390 – 24 December 1473) was a Polish Catholic priest, scholastic philosopher, physicist and theologian. John Cantius was born in Kęty, a small town near Oświęcim, Poland, to Anna and Stanisław Kanty.

1356–1419 · Medieval · Dominican Order

Giovanni Dominici, OP (English: John Dominic c. 1355 – 10 June 1419) was an Italian Catholic prelate and Dominican who became a cardinal. His ideas had a profound influence on the art of Fra Angelico, who entered the Dominicans through him.

995–1073 · Medieval · Benedictines

Giovanni Gualberto (c. 985 – 12 July 1073) was an Italian Roman Catholic abbot and the founder of the Vallumbrosan Order. Born into a noble family, Gualberto was a predictably vain individual who sought pleasure in vanities and romantic intrigues.

637–707 · Medieval

John Maron (Arabic: يوحنا مارون, Youhana Maroun; Latin: Ioannes Maronus; Syriac: ܝܘܚܢܢ ܡܪܘܢ; 628, Sirmaniyah or Sarmin, Byzantine Empire – 707, Kfarhy), was a Syriac monk. and the first Maronite Patriarch.

525–577 · Medieval

John Scholasticus or Scholastikos (Greek: Ἰωάννης Γ' ό Σχολαστικός, romanized: Iōánnēs ho Scholastikós; c. 503 – 31 August 577) was patriarch of Constantinople from 12 April 565 until his death on 31 August 577. He is also regarded as a saint of the Eastern Orthodox Church.

995–1054 · Medieval · Benedictines

John Theristus, OSB (Italian: Giovanni Theristis, "John the Harvester"; Sicilian: Santu Juanni (Teristi); 1049–1129 AD) was an Italian Byzantine Benedictine monk.

1319–1379 · Medieval · Augustinians

John Twenge (Saint John of Bridlington, John Thwing, John of Thwing, John Thwing of Bridlington) (1320–1379) is an English saint of the 14th century. In his lifetime he enjoyed a reputation for great holiness and for miraculous powers.

1200–1290 · Medieval

Blessed John dal Bastone or Bl. John of the Staff, born Giovanni Bonello Botegoni (24 March 1200 – 24 March 1290), is a Blessed of the Roman Catholic Church. John was born in Paterno, Fabriano, Italy.

700–721 · Medieval · Benedictines

John of Beverley (died 7 May 721) was an English bishop active in the kingdom of Northumbria. He was the bishop of Hexham and then the bishop of York, which was the most important religious designation in the area.

675–749 · Medieval

John of Damascus or John Damascene, born Yūḥana ibn Manṣūr ibn Sarjūn, was a Christian monk, priest, hymnographer, and apologist. He was born and raised in Damascus c. AD 675 or AD 676; the precise date and place of his death is not known, though tradition places it at his monast…

1414–1484 · Medieval · Franciscans

John of Dukla (also called "Jan of Dukla") is a saint in the Roman Catholic Church. He is one of the patron saints of Poland and Lithuania. John was born in Dukla, Poland, in 1414. He joined the Friars Minor Conventual, and studied at Kraków.

1259–1322 · Medieval · Franciscans

John of Fermo, more often called John of La Verna, from his time spent on that mountain (1259 – 10 August 1322) was an Italian Franciscan friar, who was a noted ascetic and preacher. John was born at Fermo in the March of Ancona.

1040–1106 · Medieval · Benedictines

John of Lodi (1025–1106) was an Italian hermit and bishop. John was born in Lodi Vecchio in 1025. In the 1060s he became a hermit at the Camaldolese monastery of Fonte Avellana.

1160–1213 · Medieval · Trinitarian Order

John of Matha, OSsT (23 June 1160 – 17 December 1213) was a French Catholic priest and cofounder of the Order of the Most Holy Trinity, initially dedicated to ransoming Christians who had been captured by marauders from North Africa.

1100–1159 · Medieval · Order of the Humiliates

John of Meda, Ord.Hum., (1100 – 26 September 1159) also known as John of Como, was an Italian monk of the Humiliati Order and abbot at their monasteries at Milan and Como. He has been declared a saint by the Roman Catholic Church.

1001–1095 · Medieval

Saint John of Montemarano (Montemarano, 11th century – Montemarano, April 14, 1095) was the first bishop of the Diocese of Montemarano and is venerated as a saint by the Catholic Church.

1208–1289 · Medieval · Franciscans

Giovanni Buralli (5 March 1208 – 19 March 1289), known as John of Parma, was an Italian Franciscan friar, who served as one of the first Ministers General of the Order of Friars Minor (1247–1257). He was also a noted theologian of the period.

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.

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.

1065–1130 · Medieval

John I of Warneton, also known as Blessed or Saint John of Warneton, was a Flemish bishop of the former Diocese of Thérouanne. Born in 1065 in Warneton or Bas-Warneton and died on January 27, 1130, in Thérouanne, he was elected by the clergy in 1099 and confirmed by Pope Urban II…

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.

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.

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.

1340–1397 · Medieval · Franciscans

Juan Lorenzo de Cetina (Cetina, 1340 – Granada, May 19, 1397) was an Aragonese Spanish Franciscan friar who died as a martyr in the city of Granada while preaching with his companion Pedro de Dueñas. He is venerated as a blessed by the Catholic Church.

450–523 · Medieval

Saint Jucundus was a Catholic priest and bishop born in 450. He died in Aosta in 523.

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.