Mclafferty Family History
Mclafferty Surname Meaning
Scottish and northern Irish: Anglicized form of Gaelic Mac Fhlaithbheartaigh ‘son of Flaithbheartach’ a personal name based on flaith ‘prince ruler’ + beartach ‘doer of valiant deeds’.
See Lafferty.
Source: Dictionary of American Family Names 2nd edition, 2022
