Rosario is a distinctive girls' name in United States, ranking #2053 in 2007 with 100 recorded births. The name reached its all-time peak in 1999 with 167 births ranking #1165. Since 1996, the popularity has decreased by 37.9%. In 2007, approximately 1 in every 19,224 girls born was named Rosario. RISING Recent data shows the name is currently rising.