Rosario is a distinctive boys' name in United States, ranking #3691 in 2023 with 31 recorded births. The name reached its all-time peak in 1999 with 41 births ranking #2257. Since 1996, the popularity has decreased by 16.2%. In 2023, approximately 1 in every 55,115 boys born was named Rosario. FALLING Recent data shows the name is currently falling.