Ó Maoilfhinn
Ó MAOILFHINN—I—O Molling, O Mullinn, Mullin, Mullins; 'descendant of Maolfionn' (fair chief); a rare South Leinster surname. The Four Masters at the year 1041 record the death of Maolbhríghde Ua Maoilfind, Bishop of Glendalough.
Alphabetical Index to Irish Surnames