Hennessy family genealogy
Of Clan Colgan, King's County
Arms: Vert a stag trippant ar. betw. six arrows, two, two, and two, saltireways or. Crest: Betw. the attires of a stag affixed to the scalp or, an arrow, point downwards gu. headed and flighted ar.
AONGHUS, brother of Fogharthach who is No. 103 on the "Hoolahan" (of Clan-Colgan) pedigree, was the ancestor of MacAongusa; anglicised MacHennessy, Hennessy, and Harrington.
102. Aongus ("aon:" Irish, excellent; "gus," strength): son of Cumascach; a quo MacAongusa.
103. Donall: his son.
104. Teige: his son.
105. Uallachan: his son.
106. Teige: his son.
107. Uallachan: his son.
108. Aodh (or Hugh): his son.
109. Donall MacAongusa: his son.