Ó hArtáin
Ó hARTÁIN—I—O Hartane, O Hartan, Hartan, Harton, Harten, Hartin, Horton; 'descendant of Artán' (diminutive of Art); a scattered surname, but found chiefly in Derry and Donegal. Compare with Ó hArtagáin.
Alphabetical Index to Irish Surnames