Mac Eoghain
Mac EOGHAIN—IV—MacOwen, MacEown, MacCone, Mac-Kone, MacKeoan, MacKeown, MacEwan, Keown, Coen, Cowan, Coyne, Owen, Owens, &c.; 'son of Eoghan' (an old Irish personal name meaning 'well-born'); a Sligo surname. Its anglicised forms and those of Mac Eóin (which see) are pronounced so nearly alike that it is impossible to distinguish them. See Mag Eoghain.
Alphabetical Index to Irish Surnames