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1875–1937 · Contemporary

Ioanniky (born Ivan Alexeyevich Dmitriev in 1875 in the village of Redkie Dvory, Moscow Governorate; died November 23, 1937, in Tula Oblast) was an archimandrite of the Russian Orthodox Church who was canonized in August 2000.

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Saint John Lampadistis is a saint of the Orthodox Church. The Orthodox Church commemorates him on October 4. He came from Lampadou in Solia, a village near Galata in Cyprus, and lived in the 10th century AD.

1770 · Modern

Catholicos-Patriarch Joseph (Georgian: კათოლიკოს-პატრიარქი იოსები, born Jandieri or Jandierishvili; died October 17 (28), 1770) was a bishop of the Georgian Orthodox Church and Catholicos-Patriarch of Eastern Georgia.

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Iosif Stoica (born ?) was an Orthodox bishop under Calvinist protection who served in Maramureș. Stoica was appointed to the position in 1690 by Prince Michael Apafi I, the leader of the anti-Habsburg faction in the Principality of Transylvania.

349–379 · Early Church

Irene of Rome (also Erena, Hirena, and Heira; born c. 349/350; died c. 379, buried in Rome) is venerated as a virgin and saint in the Catholic and Orthodox Churches. Her feast day is February 21. She is said to have been the sister of Pope Damasus I.

393 · Early Church

Irenion of Gaza, Saint Irenion (Latin: Irenionus; died between 389–393), was the first bishop of Gaza and a saint of the Catholic Church. Mentions of the saint are found in the Vita Porphyrii, authored by the historian and deacon Marcus, a collaborator of Saint Porphyrius, and i…

1530 · Reformation · Poor Clares

Isabella Maria della Passione, also known as Isabella of Sicily or Saint Isabella the Poor Clare (died 1530), was an Italian religious sister. She is venerated as a saint by the Catholic Church, which commemorates her on June 4.

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Iese of Tsilkani, also known as Jesse of Tsilkani, was a Christian monk and saint. According to hagiography, he came from Syria. In his youth, he joined a monastery founded by the monk John and, as one of twelve chosen disciples, left the Syrian desert with him.

318–404 · Early Church

Saint Isidore of Alexandria (from the Greek Ἰσίδωρος, literally "gift of Isis") was an Egyptian saint born around 318 and died around 404. Of Greek origin, he was a monk and ascetic known as the Hospitaller, and an anchorite in the Thebaid.

950–1014 · Medieval

Saint Israel of Le Dorat was born around 950 into a noble family in Le Dorat, at the gate of Dinsac, between Limoges and Poitiers. A stone cross marks the site of his house. His feast day is December 12 in the Roman Martyrology and September 13 locally.

1472 · Medieval

Isidore of Dorpat (died 1472, Dorpat) was a priest of St. Nicholas Church in Dorpat who, according to tradition, was killed for refusing to convert to Catholicism.

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Saint Ithier, or Ythier, born in Nogent-sur-Vernisson (Loiret) around 620 and died around 696, was elected Bishop of Nevers in 690 or 691. He was buried in the Church of Saint-Martin and Saint-Ythier in Nogent-sur-Vernisson. His feast day is July 8.

1784–1839 · Modern

Juliette Kim (Korean: 김 율리에타) was a Korean Christian laywoman, martyr, and saint, born in 1784 near Seoul, Korea, and beheaded on September 26, 1839, near Seoul.

1807–1903 · Contemporary

Iulitta Borisovna Zubova, also known as Iulitta of Ufa (1807–1903), was a Russian Orthodox nun and Fool for Christ, venerated as a saint by the Russian Orthodox Church, which commemorates her on April 3.

1874–1937 · Contemporary

Ivan Georgievich Skadovsky (Ioann Skadovsky, May 30, 1874, Kherson — November 23, 1937, Turtkul) was a Russian Orthodox priest. He was canonized by the Russian Orthodox Church in 2000.

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Isaac of Spoleto, also known as Isaac of Monteluco (died c. 550), was a Catholic saint and hermit. A native of Syria, Isaac fled to Spoleto to escape persecution by Monophysite heretics. He gained fame after healing a man suffering from obsession.

1743–1773 · Modern · Dominican Order

Hyacinthe Castañeda, born Jacinto María Castañeda y Pujassons (Játiva, Kingdom of Spain, January 13, 1743 – Hanoi, Tonkin, November 7, 1773), was an 18th-century Spanish Dominican friar and Catholic missionary who died a martyr in Tonkin (modern-day Vietnam).

429 · Early Church

Jacques of Tarentaise, or Jacques of Assyria (died 429), is a saint of the Roman Catholic Church, born in Assyria. According to tradition, he is considered the evangelist of Tarentaise in Savoy and its first bishop. His feast day is January 16.

1892–1943 · Contemporary

Jadwiga Karolina Żak, CSFN, Sister Maria Imelda of the Host of Jesus (born December 29, 1892, in Oświęcim; died August 1, 1943, near Nowogródek), was a Polish religious sister, a Sister of the Holy Family of Nazareth, and a blessed of the Catholic Church.

1765–1798 · Modern

Saint John Đạt (Vietnamese: Gioan Đạt) (born c. 1765 in Khê Câu, Thanh Hóa Province, Vietnam – died October 28, 1798, in Chợ Rạ, Thanh Hóa Province, Vietnam) was a priest, martyr, and saint of the Catholic Church. John Đạt was born in Khê Câu, Thanh Hóa Province.

1798–1861 · Modern

John Đoàn Trinh Hoan (born c. 1798 in Kim Long, Thừa Thiên-Huế province, Vietnam – died May 26, 1861, near Đồng Hới, Quảng Bình province, Vietnam) was a priest, martyr, and saint of the Catholic Church.

1882–1900 · Contemporary · Franciscans

John Zhang Huan OFS (Chinese: 張煥若望) (born August 18, 1882, in Nanshe, Yangqu County, Shanxi Province, China – died July 9, 1900, in Taiyuan) was a seminarian, Franciscan tertiary, martyr, and saint of the Catholic Church.

432 · Early Church

John of Naples (died 432 in Naples) was a Catholic saint and bishop. Saint John of Naples served as the Bishop of Naples. He died while celebrating Mass during the Easter festivities, in the presence of neophytes, on the final day of the Paschal Triduum.

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Gennarius of Antioch (Antioch, 4th century? – Rome, ...) was a Syrian grammarian and priest, considered a saint and martyr. The passio of Gennarius, still unpublished, is preserved in a 14th-century manuscript in the capitular library of the Benevento Cathedral.

1913–1960 · Contemporary

John Jacob (the New) of Choziba (Romanian: Ioan Iacob cel Nou de la Hozeva or Hozevitul), born July 23, 1913, in the village of Crăiniceni and died August 5, 1960, at the Monastery of Saints John and George of Choziba, was a Romanian monk and a saint of the Orthodox Church.

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.

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John of Chinon, also known as John of Moutiers or John the Recluse, one of many saints named John, was a native of the British Isles. He was a priest who decided to live as a hermit in the 6th century in Chinon, in the Diocese of Tours.

1832–1862 · Modern

Jean-Pierre Néel, born on October 18, 1832, in the hamlet of Soleymieux, in the commune of Sainte-Catherine-sous-Riverie (Rhône), and died on February 18, 1862, in the province of Guizhou (then Kouy-tchéou) in China, was a Catholic missionary priest.

1800–1861 · Modern · Dominican Order

Jérôme Hermosilla (Jerónimo Hermosilla y Aransay), born in Santo Domingo de la Calzada in La Rioja on September 30, 1800, and beheaded in Hải Dương (Tonkin) on November 1, 1861, All Saints' Day, was a Spanish missionary bishop and a member of the Order of Preachers.

1551–1597 · Reformation · Franciscans

Joachim Sakakibara (also Sakachibara or Saccachibara; born 1556 in Osaka, Japan – died executed February 5, 1597, in Tateyama, Nagasaki, Japan) was a Japanese physician, catechist, and Franciscan tertiary who was martyred for his faith in Nagasaki.

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John of Thessalonica (in Latin, Joannes) was Archbishop of Thessalonica in the 7th century. He was an important defender of the Orthodox faith against 7th-century Monothelitism.

801 · Medieval

John of Porto or of Tui (Porto, Portugal, then Kingdom of León – Tui, Galicia, 9th century) was a Portuguese hermit from the Tui region. He is venerated as a saint by the Catholic Church, with a local cult in the area.

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.

1073–1164 · Medieval · Cistercians

John Cirita (Northern Kingdom of Portugal, c. 1073 – São Cristóvão de Lafões, December 23, 1164) was a Benedictine monk, traditionally considered the introducer of the Cistercian Order to Portugal. He is venerated as a saint 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.

1811–1866 · Modern

Saint John Baptist Chŏn Chang-un (1811–March 9, 1866) was a Korean martyr and a saint of the Catholic Church. Born in 1811 in Seoul, he was baptized by his devout mother.

1750–1840 · Modern

Saint John the Baptist Cỏn (Vietnamese: Gioan Baotixita Cỏn) (born c. 1805 in Kẻ Báng, Nam Định Province, Vietnam – died November 8, 1840, in Bảy Mẫu, Vietnam) was a martyr and a saint of the Catholic Church. John the Baptist Cỏn was born around 1805.

1812–1866 · Modern

Saint John Baptist Nam Chong-sam (1812–March 7, 1866) was a Korean Catholic martyr and saint. Born in Cheongju, he was the nephew of the high-ranking government official Augustine Nam Sang-gyo, who adopted him. At the age of 39, Nam Chong-sam became a governor.

1597 · Reformation · Franciscans

John Kinuya was a member of the Third Order of St. Francis who died as a martyr in Japan in 1597. When persecution against Catholics intensified, he and 25 companions—8 priests and religious and 17 laypeople—were arrested, insulted, and severely tortured.

1649–1679 · Reformation

John Lloyd (Brecknockshire, 1630 – Cardiff, July 22, 1679) was a Welsh priest. Martyred under Charles II, he is venerated as a saint in the Catholic Church and is remembered as one of the Forty Martyrs of England and Wales.

1790–1839 · Modern

John Pak Hu-jae (1798 or 1799 – September 3, 1839) was a Korean martyr and a saint of the Catholic Church. John Pak Hu-jae was the son of the Catholic martyr Lawrence Pak. He moved with his family to Seoul, where he earned a living making straw shoes.

1810–1840 · Modern

Saint John Yi Mun-u (1810 in Incheon, Korea – February 1, 1840, in Tangkogae, now part of Seoul) was a saint of the Catholic Church and a martyr. John Yi Mun-u was born in Incheon, Gyeonggi Province, into a noble Catholic family.

1578–1597 · Reformation · Society of Jesus

Saint John Soan de Goto (Yohane Gotō), born in 1578 on one of the Goto Islands (Japan) and executed on February 5, 1597, in Nagasaki (Japan), was a Japanese Jesuit seminarian. Along with 25 other Christians, he was crucified in hatred of the Christian faith.

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.

1795–1867 · Modern

John of Sviatohirsk (secular name Ivan Kryukov; September 20, 1795, Kursk — August 11, 1867, Sviatohirsk Lavra) was a monk of the Sviatohirsk Lavra and a recluse.

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…

1470 · Medieval

Jonah, born John (Russian: Иона, Iona; died November 5, 1470), was a Russian Orthodox archbishop who served as Bishop of Novgorod between 1458 and 1470.

1802–1902 · Contemporary

Iona of Kyiv, born Ivan Pavlovich Miroshnichenko in 1802 in Kremenchuk and died on January 9, 1902, in Kyiv, was an Orthodox saint, venerable, and wonderworker. He was respected as a starets during his lifetime. Saint Iona founded the Holy Trinity Monastery in Kyiv in the 1860s.

884 · Medieval

Saint George of Lodève was a bishop originally from Rouergue, in the vicinity of Rodez. He was first a monk at the Abbey of Sainte-Foy de Conques. He experienced the Norman invasion, which destroyed the monastery.

1802–1866 · Modern

Joseph Chang Chu-gi was a Korean Christian layman, catechist, martyr, and Catholic saint. He was born in 1802 or 1803 in Suwon, Gyeonggi Province, Korea, and was beheaded for his faith on March 30, 1866, at Galmaemot, near Boryeong, in Chungcheong.