Roslynn is a distinctive girls' name in United States, ranking #7085 in 2005 with 17 recorded births. The name reached its all-time peak in 2014 with 47 births ranking #3409. Since 1996, the popularity has increased by 70.0%. In 2005, approximately 1 in every 108,688 girls born was named Roslynn. RISING Recent data shows the name is currently rising.