Rosamaria is a distinctive girls' name in United States, ranking #6504 in 2009 with 21 recorded births. The name reached its all-time peak in 1999 with 45 births ranking #2977. Since 1996, the popularity has decreased by 43.2%. In 2009, approximately 1 in every 87,470 girls born was named Rosamaria. FALLING Recent data shows the name is currently falling.