Rosalio is a distinctive boys' name in United States, ranking #7058 in 2016 with 12 recorded births. The name reached its all-time peak in 2000 with 27 births ranking #3209. Since 1996, the popularity has decreased by 53.8%. In 2016, approximately 1 in every 158,101 boys born was named Rosalio. STABLE Recent data shows the name is currently stable.