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Type Surname (from location & from nickname)
Pronounced Pron. /ˈra.ʝo/(Spanish, Asturian) /ˈra.ju/(Catalan) /ˈra.jo/(Asturian)  [key·simplify]
Other Forms FormsRayó

Meaning & History

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).
Added yesterday by THB13