Mac Muireadhaigh
Mac MUIREADHAIGH—IV—M'Murrey, M'Morrye, MacMurry, MacMorry, MacMorray, MacMurray, (MacMorrow), Murry, Murray, (Morrow); 'son of Muireadhach' (belonging to the sea, a mariner; also a lord); an old Breifney surname, still common in the district, but generally anglicised MacMorrow.
Alphabetical Index to Irish Surnames