Roslynn is a distinctive girls' name in United States, ranking #4059 in 2019 with 36 recorded births. The name reached its all-time peak in 2014 with 47 births ranking #3409. Since 1996, the popularity has increased by 260.0%. In 2019, approximately 1 in every 46,599 girls born was named Roslynn. RISING Recent data shows the name is currently rising.