COMGALL (Saint) Abbot. (May 10) (6th century) After being trained by Saint Fintan, this Irish Saint became Founder and first Abbot of the famous monastery of Ben-Chor, at the end of the sixth century. He wrote a celebrated but very severe Rule for monks. He is said to have lived some time in Wales or Cornwall. He died A.D. 601. Saints Columbanus and Gallus were among his disciples.