Rosio is a distinctive girls' name in United States, ranking #12842 in 2014 with 8 recorded births. The name reached its all-time peak in 1996 with 64 births ranking #2144. Since 1996, the popularity has decreased by 87.5%. In 2014, approximately 1 in every 223,242 girls born was named Rosio. STABLE Recent data shows the name is currently stable.