Rosalio is a distinctive boys' name in United States, ranking #8087 in 2019 with 10 recorded births. This places Rosalio in the bottom 43% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2000 with 27 births ranking #3209. Since 1996, the popularity has decreased by 61.5%. In 2019, approximately 1 in every 179,336 boys born was named Rosalio. STABLE Recent data shows the name is currently stable.