Save Type Surname (from given name) Usage Northern Irish Pronounced Pron. MIC-giv-Urn [key] Other Forms FormsMacGivern Meaning & History Anglicized form of Gaelic Mac Uidhrín, a patronymic from a personal name which is from a diminutive of odhar 'dun'. This surname is also found in Galloway in Scotland, where it is of Irish origin.