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

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

Nicknames: Lon, Lonnie and Lonny

Source Forms: Hildefuns

Popularity: The name Alonzo ranked 535th in popularity for males of all ages in a sample of 2000-2003 Social Security Administration statistics and 451st in popularity for males of all ages in a sample of the 1990 US Census.