Rosio is a distinctive girls' name in United States, ranking #2882 in 2002 with 52 recorded births. The name reached its all-time peak in 1996 with 64 births ranking #2144. Since 1996, the popularity has decreased by 18.8%. In 2002, approximately 1 in every 34,554 girls born was named Rosio. STABLE Recent data shows the name is currently stable.