Rosalio is a distinctive boys' name in United States, ranking #7595 in 2009 with 11 recorded births. The name reached its all-time peak in 2000 with 27 births ranking #3209. Since 1996, the popularity has decreased by 57.7%. In 2009, approximately 1 in every 180,300 boys born was named Rosalio. STABLE Recent data shows the name is currently stable.