Columba, St., the apostle of Christianity to the Scots, born in Donegal; coming to Scotland about 563, in his forty-second year, founded a monastery in Iona, and made it the centre of his evangelistic operations, in which work he was occupied incessantly till 596, when his health began to fail, and he breathed his last kneeling before the altar, June 9, 597.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Colt, Samuel * Columban, St.