formerly 8 August
Spiritual student and disciple of Saint Columba. Monk at Iona. Bishop of Lindisfarne, England in 661. Friend of king Oswy of Northumbria. Defended Celtic church practices against Saint Eilfrid and Saint Agilbert at the Synod of Whitby, and when King Oswy insisted on the use of Latin rites, Colman refused, resigned his see, and in 664 led a group of dissident Irish and English monks first to Scotland, then to the Isle of Innishboffin, and then to Mayo. Founded the abbey and diocese of Mayo, Ireland. One of the great heroes of the faith about whom the Venerable Bede wrote.
c.605 at Connaught, Ireland
8 August 676 at Inishboffin abbey of natural causes