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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.

1869–1948 · Contemporary

Jan Wojciech Balicki (25 January 1869 – 15 March 1948) was a Polish Roman Catholic priest who served as a confessor and spiritual director to seminarians in Poland around the time of World War II; he also acted in various leadership positions in the education of new priests and w…

1850–1912 · Contemporary · Society of Jesus

Jan Beyzym, SJ (15 May 1850 – 2 October 1912) was a Polish Catholic priest and a professed member of the Jesuits. He served as an educator in Jesuit boarding schools for a while after his ordination though later left Poland to work alongside lepers in Madagascar where he remained…

1920–1952 · Contemporary

Jan Bula (24 July 1920 Lukov – 20 May 1952 Jihlava) was a Czech Roman Catholic priest and victim of the Czechoslovak Communist regime. He was sentenced to death in one of the show trials of the Babice case and hanged. In 1990 he was posthumously rehabilitated.

1857–1926 · Contemporary

Jan Cieplak (17 August 1857 – 17 February 1926) was a Polish Roman Catholic priest and archbishop. Jan Cieplak was born in Dąbrowa Górnicza, Congress Poland, in 1857 to an impoverished family of the Polish nobility.

1897–1944 · Contemporary · Dominican Order

Prince Jan Franciszek Czartoryski or Blessed Michał (19 February 1897–6 September 1944) was a Polish noble and a Dominican friar. John Czartoryski was born in Pelkinie (Jaroslaw) on 19 February 1897.

1914–1942 · Contemporary

Jan Franciszek Macha (18 January 1914 – 3 December 1942) was a Polish Roman Catholic priest. He was once rejected for ecclesial studies so studied law for some months before being accepted as a seminarian.

1911–1988 · Contemporary

Jan Pietraszko (7 August 1911 - 2 March 1988) was a Polish Roman Catholic bishop who served as one of the auxiliaries for the Kraków archdiocese and Titular Bishop of Turrisblanda from 1962 until his death.

1877–1941 · Contemporary · Salesians of Don Bosco

Jan Świerc (29 April 1877 – 27 June 1941) was a Polish Catholic priest who was affiliated with the Salesians of Don Bosco. He was the parish priest for Przemyśl-Zasanie and St. Stanislaus Kostka Parish in Cracow before being murdered at the Auschwitz concentration camp.

1900–1947 · Contemporary · Salesians of Don Bosco

Jan Leopold Tyranowski (9 February 1901 – 15 March 1947) was a Polish Roman Catholic. He was an ardent admirer and follower of the Discalced Carmelite charism – but was not of their order – and was a central figure in the spiritual formation of Karol Józef Wojtyła who became Pope…

1873–1939 · Contemporary · Congregation of the Mission

Janez Frančišek Gnidovec, C.M. (29 September 1873 – 3 February 1939), was a Slovenian Roman Catholic bishop who served as the Bishop of Skopje.

1736–1792 · Modern · Society of Jesus

Jean Charton de Millou (1736–1792) was a French Jesuit Catholic priest and martyr, who became a victim of anti-Catholic persecution during the French Revolution. Charton de Millou joined the Society of Jesus on September 7, 1751.

1601–1680 · Reformation · Congregation of Jesus and Mary

John Eudes, CIM (French: Jean Eudes; 14 November 1601 – 19 August 1680) was a French Catholic priest and the founder of both the Order of Our Lady of Charity in 1641 and Congregation of Jesus and Mary, also known as the Eudists, in 1643.

1738–1792 · Modern

Jean-Marie du Lau (30 October 1738, Biras – 2 September 1792, Paris) was a French Catholic prelate who served as the last Archbishop of Arles. He was one of the Catholic Martyrs of September 1792, killed in the September Massacres during the French Revolution.

1593–1649 · Reformation · Society of Jesus

Jean de Brébeuf SJ (25 March 1593 – 16 March 1649) was a French Jesuit missionary who travelled to New France (Canada) in 1625. There he worked primarily with the Huron for the rest of his life, except for a few years in France from 1629 to 1633.

1620–1646 · Reformation · Society of Jesus

Jean de Lalande, SJ was a French Jesuit missionary at Sainte-Marie among the Hurons and one of the eight North American Martyrs. He was killed at the Mohawk village of Ossernenon after being captured by warriors. Jean de Lalande was a native of Dieppe, Normandy.

1743–1792 · Modern

Jean-Baptiste Bottex (June 24, 1918 – May 28, 1979) was a Haitian painter. Hailing from Port Margot, near Cap-Haitien in northern Haiti, Jean-Baptiste and his younger brother Seymour are descendants of the Haitian Generals of the Independence of the North - Raimond de Bottex, an…

1851–1926 · Contemporary

Jean-Baptiste Fouque (19 September 1851 – 5 December 1926) was a French Roman Catholic priest. He tended to the poor during his time as a parish priest in Marseille and was noted for his desire to create a large and free hospital for them.

1809–1854 · Modern · Benedictines

Jean-Baptiste Muard, OSB (1809 – 1854) was a French Benedictine, reformer, and founder of religious orders. Jean-Baptiste Muard was born, the eldest of three sons, on April 29, 1809, in Vireaux to Claude and Catherine Paillot Muard.

1651–1719 · Modern · Institute of the Brothers of the Christian Schools

Jean-Baptiste de La Salle was a French priest, educational reformer, and founder of the Institute of the Brothers of the Christian Schools. He is a saint of the Catholic Church and the patron saint for teachers of youth.

1809–1837 · Modern

Jean-Charles Cornay was a French missionary of the Paris Foreign Missions Society who was martyred in Vietnam. He was executed in Ha Tay, Tonkin, now Vietnam, during the persecutions of Emperor Minh Mạng.

1790–1875 · Modern · Society of Mary

Jean-Claude Colin, SM (7 August 1790 – 15 November 1875) was a French priest who became the founder of the Society of Mary (Marists). Jean-Claude, born on 7 August 1790 at the hamlet of Barbery, in the Beaujolais region of central France, the son of Jacques Colin and his wife Ma…

1802–1840 · Modern · Congregation of the Mission

John Gabriel Perboyre, CM (French: Jean-Gabriel Perboyre; 1802–1840) was a French Catholic priest of the Congregation of the Mission (Vincentians or Lazarists) who served as a missionary in China, where he suffered martyrdom. He was canonized in 1996 by Pope John Paul II.

1832–1869 · Modern · Dominican Order

Alcide-Vital Lataste, OP (5 September 1832 – 10 March 1869), religious name Marie Jean Joseph Lataste, was a French Catholic priest of the Dominican Order.

1824–1852 · Modern

Jean-Louis Bonnard (b. 1 March 1824 at Saint-Christôt-en-Jarret, Diocese of Lyon; beheaded 1 May 1852) was a French Roman Catholic missionary to Vietnam, one of the Martyrs of Vietnam, canonized in 1988.

1786–1859 · Modern

John Vianney (born Jean-Marie Vianney [ʒɑ̃ maʁi vjanɛ] and later Jean-Marie-Baptiste Vianney; 8 May 1786 – 4 August 1859) was a French Catholic priest and member of the Third Order of Mary, often referred to as the Curé d'Ars ("the parish priest of Ars").

1780–1860 · Modern

Jean-Marie Robert de La Mennais, FICP (or de Lamennais; 1780–1860) was a Breton Catholic priest and brother of the philosopher Felicité Robert de Lamennais, whom he influenced in their youth.

1730–1793 · Modern

Jean-Martin Moye (written later in his life as Moÿe) was a French Catholic priest who served as a missionary in China and was the founder of the Sisters of the Congregation of Divine Providence. He also organized the first expression of consecrated life among the women of China.

1666–1736 · Modern

Jeanne Delanoue, religious name Joan of the Cross, (18 June 1666 – 17 August 1736) was the founder of the Congregation of St. Anne of Providence, and is venerated as a saint in the Roman Catholic Church.

1792–1879 · Modern

Jeanne Jugan, LSP (25 October 1792 – 29 August 1879), in religion Mary of the Cross, was a French Catholic religious sister who became known for the dedication of her life to the neediest of the elderly poor.

1606–1673 · Reformation

Jeanne Mance was a French nurse and settler of New France. She arrived in New France two years after the Ursuline nuns came to Quebec. Among the founders of Montreal in 1642, she established its first hospital, the Hôtel-Dieu de Montréal, in 1645.

1556–1640 · Reformation

Jeanne de Lestonnac, ODN (December 27, 1556 – February 2, 1640), also known as Joan of Lestonnac, was a French Catholic nun who founded the Sisters of the Company of Mary, Our Lady in 1607.

1811–1854 · Modern

Émilie de Villeneuve (9 March 1811 – 2 October 1854) was a French Catholic nun and the founder of the Sisters of Our Lady of the Immaculate Conception of Castres. After she died her cause of canonization was opened.

1773–1838 · Modern

Joan Elizabeth Lucy Bichier des Âges (French: Jeanne-Élisabeth-Lucie Bichier des Âges) (5 July 1773 – 26 August 1838) was a French religious sister, commonly referred to as Elizabeth Bichier. Together with Andrew Fournet, she founded the Sisters of the Cross, Sisters of St.

1864–1900 · Contemporary · Franciscan Missionaries of Mary

Marie of Saint Natalie, born Jeanne-Marie Guerguin (sometimes spelt Kerguin; 4 May 1864 – 9 July 1900) was one of the 120 Martyrs of China. She was born in Belle-Isle-en-Terre, Cotes-du-Nord, on 4 May 1864 into a family of Breton farmers.

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.

1760–1801 · Modern

Chŏng Yakchong (Korean: 정약종; Hanja: 丁若鍾; 1760 – April 8, 1801), also known as Augustine Chong, was a Korean Catholic martyr who contributed greatly to the spread of Catholicism in Korea. He was the older brother of Chŏng Yagyong and the father of Paul Chong Hasang.

1556–1625 · Reformation · Order of Friars Minor Capuchin

Jeremiah of Wallachia (born 29 June 1556 - 26 February 1625) was a Romanian-born Capuchin lay brother who spent his entire adult life serving as an infirmarian of the Order in Italy.

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.

1929–1970 · Contemporary

Jerzy Ciesielski (12 February 1929 – 9 October 1970) was a Polish Roman Catholic from Kraków and a member from the Focolare Movement. Ciesielski was married and was also a close personal friend of Karol Józef Wojtyła – the future Pope John Paul II.

1904–1943 · Contemporary

Jury Kashyra (Polish: Jerzy Kaszyra; Belarusian: Юрый Кашыра; 4 April 1904 – 18 February 1943) was a Polish Roman Catholic priest and a Belarusian apostle of the unity between Catholic and Orthodox Christians.

1555–1630 · Reformation · Poor Clares

Jerónima de la Asunción, O.S.C. (Spanish: Jerónima de la Asunción García Yánez y De La Fuente; 9 May 1555 – 22 October 1630) was a Spanish Catholic nun and abbess who founded the Real Monasterio de Santa Clara (Royal Monastery of Saint Clare) in Intramuros, Manila, Philippines.

1916–1989 · Contemporary

Jesús Emilio Jaramillo Monsalve (16 February 1916 – 2 October 1989) was a Colombian Roman Catholic prelate who was a professed member of the Xaverian Missionaries of Yarumal and served as the Bishop of Arauca from 1984 until his assassination.

1858–1954 · Contemporary · Order of the Brothers Discalced of the Blessed Virgin Mary of Mount Carmel

Jesús María Echavarría Aguirre (6 July 1858 – 5 April 1954) was a Mexican Roman Catholic prelate who served as the Bishop of Saltillo from 1904 until his death. He was also the founder of the Guadalupan Catechists Sisters.

1576–1633 · Reformation · Society of Jesus

Joam Mattheus Adami, (Italian: Giovanni Matteo Adami) (17 May 1576 – 22 September 1633) was a Jesuit missionary born in Mazara del Vallo (Sicilian: Mazzara), in the south-west of Sicily.

1765–1826 · Modern · Sisters of Charity of Saint Joan Antida Thouret

Jeanne-Antide Thouret, SCSJA (27 November 1765 - 24 August 1826; also called Joan Antide Thouret and Jane Antide) was a French Catholic nun who founded a branch of the Sisters of Charity.

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.

1464–1505 · Reformation · Third Order of Saint Francis

Joan of France (French: Jeanne de France, Jeanne de Valois; 23 April 1464 – 4 February 1505), sometimes called Joan the Lame (French: Jeanne la boiteuse), was briefly Queen of France as wife of King Louis XII, in between the death of her brother, King Charles VIII, and the annulm…

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.