Mac Íomhair
Mac ÍOMHAIR, Mac IOMHAIR—V—M'Eiver, M'Kewer, MacIvor, MacIver, MacKiver, MacKiever, MacKiver, MacKever, MacKevor, MacKeever, MacKeevor, MacCure, MacIvers, Ivers, Eivers, Keevers, &c.; 'son of Ivarr' (an old Scandinavian personal name); a common surname in the North of Ireland, apparently of Scottish origin. See Mag Íomhair which is the form in use in the West.
Alphabetical Index to Irish Surnames