Roslynn is a distinctive girls' name in United States, ranking #15602 in 1997 with 5 recorded births. The name reached its all-time peak in 2014 with 47 births ranking #3409. Since 1996, the popularity has decreased by 50.0%. In 1997, approximately 1 in every 348,132 girls born was named Roslynn. RISING Recent data shows the name is currently rising.