Rayo Family History
Rayo Name Meaning
Spanish: from rayo ‘flash of lightning’ possibly a nickname in the sense ‘lively’. Catalan (Rayó): possibly a nickname from reió ‘little king’. Asturian-Leonese: Castilianized form of a habitational name from El Rayu a town in Asturias (Spain).
Source: Dictionary of American Family Names 2nd edition, 2022