1) (a Sept in Connaught, of the same race as O’Donellan, deriving their name from Flannagain, who ruled over the territory of Magh Aoi, co. Roscommon; this Sept enjoyed the hereditary office of Stewards to the Kings of Connaught). Motto—Certavi et vici. Ar. out of a mount in base vert an oak tree ppr. a border of the second. Crest—A dexter cubit arm in armour ppr. garnished or and gu. holding a flaming sword az. pommel and hilt gold.
2) (Cinel Farga, now Kinelargy, a territory in ancient Ely O'Carroll, corresponding with the Barony of Ballybrit, in the King’s co.; a Sept of the same race as O’Carroll, who derived their name from Flannagain, one of their ancestors). Ar. on a mount in base an oak tree ppr. a border vert.
3) (Drumdoe, co. Roscommon). Motto—Audaces fortuna juvat. Ar. on a chev. gu. two lions ramp. or. Crest—A hand holding a dagger.