Its source is a Greek expression meaning "Jove's descendant."
This boy's name is used in Spanish.
The name Julio ranked 252nd in popularity for males of all ages in a sample of 2000-2003 Social Security Administration statistics and 247th in popularity for males of all ages in a sample of the 1990 US Census.
Some authorities prefer the meaning ''downy beard.'' However, this might have been understood as an attribute of Jove, the chief of the Greco-Roman gods.
The original Greek name evolved into the name of a Roman clan, whose most famous member was the military and political leader Julius Caesar.