Does any one know the origin of the last name Fierro?

Question:

Does any one know the origin of the last name Fierro?

Best Answer - Chosen by Asker: Fierro

1. Asturian-Leonese and Spanish: from fierro ??iron?? (Latin ferrum) in Asturian-Leonese (alongside the variant fierru) and in a regional variant of Castilian.
2. Italian: Campanese variant of Ferro.