 Records show that the Celts had a major base here and, on being converted to Christianity, had established an Abbey at Trelic Mor by 613 A.D.Various records refer to St. Mobec of Trelic, whose commemoration or feast day is on 29 May.The "Annals of the Four Masters" record the death of Cinead Ó Ceallaigh, Bishop of Trelic, in 813 A.D.