Rosario is a distinctive girls' name in United States, ranking #2615 in 2015 with 69 recorded births. The name reached its all-time peak in 1999 with 167 births ranking #1165. Since 1996, the popularity has decreased by 57.1%. In 2015, approximately 1 in every 25,865 girls born was named Rosario. RISING Recent data shows the name is currently rising.