Rocio is a distinctive girls' name in United States, ranking #1480 in 2010 with 153 recorded births. The name reached its all-time peak in 1998 with 343 births ranking #673. Since 1996, the popularity has decreased by 53.2%. In 2010, approximately 1 in every 11,617 girls born was named Rocio. FALLING Recent data shows the name is currently falling.