Hargadon Family History
Hargadon Surname Meaning
Irish (Sligo): Anglicized form of Gaelic Ó hArgadáin ‘descendant of Argadán’ a personal name from a diminutive of argad ‘silver’.
In Galway the traditional form O'Hargadan has tended to be replaced by Hardeman and elsewhere in Ireland by Harman and Harmon.
Source: Dictionary of American Family Names 2nd edition, 2022
