Family name origins & meanings
- Irish (mainly northern Ireland) : reduced Anglicized form of Gaelic Ó Fhlaithbheartaigh or Mac Fhlaithbheartaigh ‘descendant (or ‘son’) of Flaithbheartach’, a personal name composed of the elements flaith ‘prince’, ‘ruler’ + beartach ‘doer of valiant deeds’. See also Flaherty.