Rosario is a distinctive boys' name in United States, ranking #5589 in 2022 with 17 recorded births. The name reached its all-time peak in 1999 with 41 births ranking #2257. Since 1996, the popularity has decreased by 54.1%. In 2022, approximately 1 in every 102,610 boys born was named Rosario. FALLING Recent data shows the name is currently falling.