Save Type Surname (from given name) Usage Northern Irish Other Forms FormsCollum, Mac Coluim Meaning & History Anglicized form of Gaelic Mac Coluim "son of Colum". See McCallum, which is the usual spelling of this name in Scotland.
indicate the level to which a name has been verified. indicate the level to which a name has been verified. indicate the level to which a name has been verified.