Rosalio is a distinctive boys' name in United States, ranking #11838 in 2014 with 6 recorded births. The name reached its all-time peak in 2000 with 27 births ranking #3209. Since 1996, the popularity has decreased by 76.9%. In 2014, approximately 1 in every 320,073 boys born was named Rosalio. STABLE Recent data shows the name is currently stable.