Meaning: Its source is Marianus, a Latin name meaning "Manly."

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

Nicknames: Mario

Source Forms: Marianus

Popularity: The name Mariano ranked 746th in popularity for males of all ages in a sample of the 1990 US Census.

Narrative: The source name has been variously interpreted. Most proposed meanings relate to the name of Mars, the ancient Roman god of war.