Life
836-908 [err. Mac Cuilleannáin, Cormac]; King-Bishop of Munster;
accredited with authorship of Sanas Cormaic [The Glossary of
Cormac]; also the Psalter of Cashel, containing The Book
of Rights (ed. Whitley Stokes, et. al.); locked in enmity with Flann
Mac Mael Sechnaill, King of Tara, whom he defeated at Mág Léna;
died at the battle of Belach Mughna. DIB