Rosario is a distinctive girls' name in United States, ranking #1781 in 2010 with 116 recorded births. The name reached its all-time peak in 1999 with 167 births ranking #1165. Since 1996, the popularity has decreased by 28.0%. In 2010, approximately 1 in every 15,322 girls born was named Rosario. RISING Recent data shows the name is currently rising.