Ó Coinne
Ó COINNE—I—O Cunny, O Quiney, Conney, Cunny, Quinny, (Kenny, Quin), &c; 'descendant of Coinne' (a variant of Coinneach); a not uncommon Ulster surname. The family was originally seated in Ui Eachach, in Co. Down, but seems to have afterwards removed to the neighbourhood of Strabane.
Alphabetical Index to Irish Surnames