Ó Maonaigh
Ó MAONAIGH—I—O Moeny, O Mooney, (?) O Moyney, O Money, Meany, Meeny, Mooney, Moany, Money; 'descendant of Maonach' (wealthy); the name (1) of a Roscommon family who were anciently chiefs of Clann Murthuile; (2) of a family of the Ui Fiachrach who were seated on the southern shore of Sligo Bay, in the barony of Tireragh; and (3) of a branch of the Siol nAnmchadha, in the south-east of Co. Galway. At the end of the 16th century, the name was found in all parts of Ireland.
Alphabetical Index to Irish Surnames