Rosalia is a distinctive girls' name in United States, ranking #609 in 2025 with 481 recorded births. This places Rosalia in the top 4% of ranked US girls' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 2023 with 517 births ranking #579. Since 1996, the popularity has increased by 532.9%. In 2025, approximately 1 in every 3,342 girls born was named Rosalia. STABLE Recent data shows the name is currently stable.