(a Sept who possessed the territory of Hy-Fiach-rach-Aidhne, now the diocese of Kilmacduagh, co. Galway, of the race of Guaire Aidhne, “The Hospitable” King of Connaught. The Four Masters record, under A.D. 1180; that Maurice O’Heidhin, Lord of Hy Fiachrach Aidhne, was slain hy the men of Munster). Per pale indented or and gu. two lions ramp. combatant counterchanged. Crest—A dexter arm armed, embowed, the hand grasping a sword all ppr.