The surname originated as a patronym, however it no longer refers to the actual name of the bearer's father.

Mac Íomhair translates into English as "son of Íomhar".

These surnames originated as patronyms, however they no longer refer to the actual name of the bearer's father.

Mac Íomhair has been Anglicised variously as MacIvor, MacIver, MacKiver, MacKiever, MacÍmir, MacÍmair, MacÍmar, MacHÍmair, MacGyver, MacKever, MacKevor, MacKeever, McKeever, MacKeevor, MacCure, MacIvers, Ivers, Eivers,Èvors, and Keevers.

[1] Anglicised forms of Mag Íomhair include MacGeevor, MacGeever, and MacGaver.