Casio Family History
Casio Surname Meaning
Hispanic: probably from a Spanish form of the Latin personal name Cassius.
Italian: in Emilia probably a habitational name from a placename Casio (from the Latin personal name Accasius) in Bologna province; in Apulia possibly a variant of Cassio, a cognate of 1 above.
This surname is very rare in Italy.
Source: Dictionary of American Family Names 2nd edition, 2022
