Columba
Gaelic Irish missionary monk / From Wikipedia, the free encyclopedia
Saint Columba (Irish Colm Cille, "Columb of the Church";[1] 7 December, 521–9 June, 597[2]) was an Irish priest and missionary.[3] He left Ireland in 563 AD on his mission to bring Christianity to Dál Riata, now western Scotland.[4] He built the famous monastery on the Island of Iona which became known as a "holy island'.[4]