Save Type Surname (from given name) Usage Irish Meaning & HistoryExpand Links Anglicized form of Irish Mac Cárthaigh meaning "son of Carthach". Related NamesDetails RootCarthach (given name)VariantsMac Cárthaigh, MacCarthy Categories baseball players, Catholic saints, comedians, expressionist artists, R.E.M. lyrics, R.E.M. songs, vibraphonists
