Cummian, Irish Bishop, died 12 November 661 or 662. Cummian was an Irish Bishop and fer léignid of Cluain Ferta Brénainn (Clonfert), was an important theological writer in the early to mid 7th century. He is famous for a Paschal letter which displays his high level of learning. It consists of five manuscript folios, contains quotes from the Vulgate and Vetus Latina Bible; patristic commentary by Augustine, Jerome, Cyprian, Origen, Ambrosiastor and Gregory the Great; extracts from C… (More on Cummian)