Julio is a moderately popular boys' name in United States, ranking #250 in 1998 with 1,192 recorded births. The name reached its all-time peak in 2005 with 1,517 births ranking #227. Since 1996, the popularity has decreased by 17.8%. In 1998, approximately 1 in every 1,603 boys born was named Julio. FALLING Recent data shows the name is currently falling.