Rosalin is a distinctive girls' name in United States, ranking #8350 in 2015 with 14 recorded births. The name reached its all-time peak in 2022 with 19 births ranking #6410. Since 1996, the popularity has increased by 133.3%. In 2015, approximately 1 in every 127,475 girls born was named Rosalin. RISING Recent data shows the name is currently rising.