Rocio is a distinctive girls' name in United States, ranking #2528 in 2018 with 70 recorded births. This places Rocio in the top 14% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1998 with 343 births ranking #673. Since 1996, the popularity has decreased by 78.6%. In 2018, approximately 1 in every 24,292 girls born was named Rocio. FALLING Recent data shows the name is currently falling.