Flannán
Flannán mac Toirrdelbaig was an Irish saint who lived in the 7th century and was the son of an Irish chieftain, Toirdhealbhach of Dál gCais. He entered Mo [Lua of Killaloe|Mo Lua]'s monastery at Killaloe, where it is believed he became an Abbot. He is remembered as a great preacher. He made a pilgrimage to Rome where Pope [John IV] consecrated him as the first Bishop of Killaloe, of which he is the Patron Saint. He also preached in the Hebrides. His feast day is 18 December.