Meaning: Its source is Hildefuns, an Ancient Germanic name meaning "Prepared for battle."

Origin: "Hildefuns."

Languages: This boy's name is used in Italian and Spanish.

Alternative Spellings: Alfonzo

Popularity: The name Alfonso ranked 500th in popularity for males of all ages in a sample of 2000-2003 Social Security Administration statistics and 331st in popularity for males of all ages in a sample of the 1990 US Census.