Son of Dearfraych, daughter of the Irish king Eochod, and a famous general named Corbre. Baptized by Bishop Saint Conleth of Kildare, Ireland. God-son of Saint Brigid of Ireland. Captured by pirates as a child, given to the British king, who placed him in the monastery of Rosnat. Friend of Saint Eoghan. He was a natural, and grew to be a monk whose life was exemplified by an intense love for God, and a penchant for constant work. Upon his he return to Ireland, he was made abbot of Cluanois Abbey in Monaghan. Bishop of Clogher, Ireland.
- Book of Saints, by the Monks of Ramsgate
- Lives of the Saints, by Father Alban Butler
- Our Sunday Visitor’s Encyclopedia of Saints
- “Saint Tigernach of Clogher“. Saints.SQPN.com. 2 April 2013. Web. 7 December 2013. <>