Rosalyn is a distinctive girls' name in United States, ranking #935 in 2022 with 290 recorded births. This places Rosalyn in the top 5% of ranked US girls' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 2021 with 332 births ranking #832. Since 1996, the popularity has increased by 286.7%. In 2022, approximately 1 in every 5,651 girls born was named Rosalyn. STABLE Recent data shows the name is currently stable.