Meaning: Its source is Marcellus, a Latin name meaning "Dedicated to Mars, Roman god of war, warrior."

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

Nickname For: Marcos

Nicknames: Marcelino

Source Forms: Marcellus

Popularity: The name Marcelo ranked 883rd in popularity for males of all ages in a sample of 2000-2003 Social Security Administration statistics and 946th in popularity for males of all ages in a sample of the 1990 US Census.