Fierro Family History
Fierro Surname Meaning
Asturian-Leonese and Spanish: from fierro ‘iron’ (from Latin ferrum) in Asturian-Leonese and in a regional variant of Castilian used as a nickname denoting someone who was strong or as a metonymic occupational name for someone who produced or worked iron.
Compare Del Fierro. Italian: Campanese variant of Ferro.
Source: Dictionary of American Family Names 2nd edition, 2022
