Joslynn is a distinctive girls' name in United States, ranking #1481 in 2013 with 150 recorded births. The name reached its all-time peak in 2011 with 209 births ranking #1171. Since 1996, the popularity has increased by 240.9%. In 2013, approximately 1 in every 11,696 girls born was named Joslynn. FALLING Recent data shows the name is currently falling.