Family name origins & meanings
- Irish : reduced form of Mulloughney, an Anglicized form of Gaelic Ó Maolfhachtna (‘devotee of St. Fachtna’), a Tipperary surname usually assimilated to Moloney (see Maloney); or of O’Loughney, an Anglicized form of Gaelic Ó Lachtna, from lachtna ‘gray’.