Ó Coigligh
Ó COIGLIGH—I—O Cogly, O Cwigley, O Quigly, O Kegly, O'Coigley, O'Quigley, Cogley, Kegley, Quigley, Twigley; 'descendant of Coigleach' (derivative of coigeal, a distaff, an untidy person, with unkempt hair); the name of a branch of the Ui Fiachrach who were anciently seated in the barony of Carra, Co. Mayo. In the 16th century, the name was common in Sligo, Donegal, Monaghan, Carlow, Wexford and Waterford.
Alphabetical Index to Irish Surnames