Alternate spellings are O'Conney, Coony, Coonahan, Coonihan, Coonie, Coonan, Coumey, (Coomey) and Cooihan. Alternate spellings of O'Cuana are Cuana, Coona, O Cuanaic, and O'Cuanaich. Some with the name, Coonifer, Coonihan and Coumey, the latter mainly of County Cork, have been changed into Cooney.
Kieran Cooney - English Rugby Player
Michael C. O'Laughin, 1997 Irish Genealogical Foundation
Edward MacLysaght, Irish Academic Press Limited 1991