John Cantius
Polish priest, Scholastic philosopher, physicist and theologian
About John Cantius
Lived 1390 – 1473 (aged 83). John Cantius was a Polish catholic priest, theologian, university teacher and physicist.
Tomb of Saint John Cantius.Church of St. Anne, Kraków, Poland. John Cantius (; or ; 23 June 1390 – 24 December 1473) was a Polish Catholic priest, scholastic philosopher, physicist and theologian.
Biography John Cantius was born in Kęty, a small town near Oświęcim, Poland, to Anna and Stanisław Kanty. He attended the Kraków Academy at which he attained bachelor, and licentiate. In 1418 he became a Doctor of Philosophy. Upon graduation he spent the next three years conducting philosophy classes at the university, while preparing for the priesthood.
Upon his ordination, he became rector at the school of the Canons Regular of the Most Holy Sepulcher in Miechow. Ninety-one years after his beatification, John Cantius was canonized on 16 July 1767, by Pope Clement XIII.
The Roman Breviary distinguishes him with three hymns; he is the only confessor who is not a bishop to have been given this honor in the Catholic liturgy.
St. John Cantius is a popular saint in Poland. A number of churches and schools founded by Polish diaspora communities throughout North America are named in his honor, in cities as far-ranging as Cleveland, Ohio; Winnipeg, Manitoba; Detroit, Michigan; Chicago, Illinois; Rolling Prairie, Indiana, Milwaukee, Wisconsin; St. Cloud, Minnesota; Wilno, Minnesota, Philadelphia, Erie, and Windber, Pennsylvania; New York City and Buffalo, New York.
"John Cantius" has been used as a first and middle name—see, for example, John Cantius Garand.
Feast day
When St. John Cantius's feast day was first inserted into the General Roman Calendar in 1770, it was initially assigned to 20 October, but in the calendar reform of 1969 it was moved to 23 December, the day before the anniversary of his death, which occurred on Christmas Eve 1473.
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Important facts
Contemporaries
People whose lives overlapped John Cantius's
Frequently asked questions
Who was John Cantius?
Polish priest, Scholastic philosopher, physicist and theologian
When was John Cantius born?
John Cantius was born on 23 June 1390 in Kęty.
When did John Cantius die?
John Cantius died on 24 December 1473 in Kraków.
What was John Cantius's occupation?
John Cantius was a catholic priest, theologian, university teacher and physicist.
What nationality was John Cantius?
John Cantius was Polish.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). John Cantius. https://biography.guide/john-cantius/
MLA: "John Cantius." Biography.guide, https://biography.guide/john-cantius/.
Chicago: "John Cantius." Biography.guide. https://biography.guide/john-cantius/.
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