Cellach mac Congaile

abbot of Iona Iona
Í (Choluim Chille) ... Iona
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resigned 814, d. 815Iona was burnt in 802 and 68 were killed in 806. Possibly in part because of the viking threat, Cellach began building a new monastery at Kells in 807, which was to become the new headquarters of the Columban familia.