Ó Reachtabhra
Ó REACHTABHRA—I—O Raghtoury, Raftery; 'descendant of Reachtabhra' (reacht, law, decree, and abhra, fringe, border); also Ó Reachtabhair, which see; sometimes written Ó Reachtaire, and so pronounced in Co. Mayo.
Alphabetical Index to Irish Surnames