 Giolla Ceallaigh mac Comhaltan

Giolla Ceallaigh mac Comhaltan () was an ancestor to the MacGiolla Ceallaigh (Kilkelly family of County Galway).Giolla Cellaigh - "devotee of Saint Ceallaigh" - was a member of the Uí Fiachrach Aidhne of south Galway, and was a six-time great-grandson of Guaire Aidne mac Colmáin, King of Connacht (died 663).