Mac Giolla Bhríghde
Mac GIOLLA BHRÍGHDE—IV—M'Gillebridy, M'Gillvrid, M'Killbridy, M'Elvride, MacGillbride, MacKilbride, Macklebreed, MacBride, Gillbride, Kilbride, &c.; 'son of Giolla Bhríghde' (servant of St. Brigid). This surname was formerly found in many parts of Ireland, notably in the North, where it is still common under the anglicised form of MacBride, having been shortened in the spoken language to Mac 'a Bhríghde, for which compare with Mac Giolla Bhuidhe below.
Alphabetical Index to Irish Surnames