Family name origins & meanings
- Irish : Anglicized form of Gaelic Mac Cuinn ‘son of Conn’, a personal name meaning ‘chieftain’ (literally ‘head’ or ‘sense’).
- Irish : variant of the Ulster surname MacIlchon, an Anglicized form of Gaelic Mac Mhíolchon ‘son of Míolcha’, a personal name meaning ‘hare-hound’, from míol ‘hare’ + cú ‘hound’, genitive con.