Leahy Family History
Leahy Name Meaning
Irish: from Ó Laochdha ‘descendant of Laochdha’ a personal name based on laoch ‘hero’. The Anglicized form Lahey was also used for Ó Fhlaithimh (see Laffey ) which could be so pronounced. Compare Lahaie and Lahaye .
Source: Dictionary of American Family Names 2nd edition, 2022