John Cassian

John Cassian, also known as John the Ascetic and John Cassian the Roman (Latin: Ioannes Eremita Cassianus, Ioannus Cassianus, or Ioannes Massiliensis;[2] c.AD 360c.435), was a Christian monk and theologian celebrated in both the Western and Eastern churches for his mystical writings.[3] Cassian is noted for his role in bringing the ideas and practices of Christian monasticism to the early medieval West.


John Cassian
Bornc. 360[1]
Scythia Minor
(modern-day Dobrogea, Romania)
Diedc. 435
Massilia, Gaul
(modern-day Marseilles, France)
Venerated inEastern Orthodox Church
Roman Catholic Church
Anglican Communion
Eastern Catholic Churches
Major shrineMonastery of St Victor, Marseille
FeastEast:February 29th (28th non-leap years)
West:July 23