Caso Family History
Caso Name Meaning
Castilianized form of Asturian-Leonese Casu, a habitational name from Campu de Casu or Sotu de Casu, both in Asturies. Southern Italian (mainly Sicily): from a masculinized form of the personal name Casa, a short form of the omen name Benincasa (see Casa).
Source: Dictionary of American Family Names ©2013, Oxford University Press