Quirk family genealogy
Arms: Ar. on a mount in base vert an oak tree acorned ppr.
CORMAC, the third son of Cu-corb, King of Leinster, who is No. 85 on the "O'Connor" (Faley) pedigree, was the ancestor of O'Cuirc ("cuirc:" Irish, a head, a whittle, a swathe); anglicised Cuirk, Quirk, Quirke, Head, and Whittle.
86. Cormac: son of Cucorb.
87. Iomcdadh: his son.
88. Labhradh: his son.
89. Lugaidh [luy]: his son; had six brothers. This Luy was the ancestor of Gawley.