Mac Giolla Chomhghaill
Mac GIOLLA CHOMHGHAILL—IV—M'Gillachomhaill, M'Gillacoell, M'Gilleghole, M'Gillecole, MacCole, MacCool, Glihool, Cole; 'son of Giolla Chomhghaill' (servant of St. Comgall); a Donegal surname.
Alphabetical Index to Irish Surnames