Ó Cathbhadha
Ó CATHBHADHA—I—O Caffoo, O Caffoe, Coffey; 'descendant of Cathbhadh' (older Cathbhoth, genitive Cathbhotha, battle-tent, an ancient Irish personal name); a Tipperary surname. Compare with Abha Ua gCathbhadha, near Nenagh.
Alphabetical Index to Irish Surnames