Rosaria is a distinctive girls' name in United States, ranking #16557 in 2010 with 6 recorded births. The name reached its all-time peak in 2021 with 32 births ranking #4392. Since 1996, the popularity has decreased by 25.0%. In 2010, approximately 1 in every 296,221 girls born was named Rosaria. FALLING Recent data shows the name is currently falling.