Mac Coingheallaigh
Mac COINGHEALLAIGH—IV—M'Cangellye, M'Congillye, M'Cynelig, M'Kennella, M'Connella, Quinnelly, Kennelly, Connelly, Connolly; 'son of Coingheallach' (faithful to pledges); now always Ó Coingheallaigh, which see; the name of a family in West Cork who were formerly retainers of O'Donovan and at one time owned seven ploughlands in the parish of Drinagh, near Drimoleague. Also in use in Ormond.
Alphabetical Index to Irish Surnames