Enna (Lat. Endeus)
is the name of several Irish saints, the most noted of whom was the son of Conall Derg, chief of the Oriels, whom he succeeded on thethrone, and became a famous warrior. Being suddenly converted to Christianity, he renounced the throne, and after studying in the monastery of Mansenus, in Britain, thence went to Rome, and, returning to his native land, became abbot of Aran, in Killeany bay, where he probably died, cir. A.D. 542. He is commemorated March 21.