Langan Family History
Langan Name Meaning
Irish: shortened Anglicized form of Gaelic Ó Longáin ‘descendant of Longán’ a personal name probably derived from long ‘tall’ or perhaps from a homonymous long ‘ship’ (and so originally a byname for a seafarer). Sometimes Leonard is used as an equivalent.
Source: Dictionary of American Family Names 2nd edition, 2022