Joslynn is a distinctive girls' name in United States, ranking #1956 in 2017 with 102 recorded births. The name reached its all-time peak in 2011 with 209 births ranking #1171. Since 1996, the popularity has increased by 131.8%. In 2017, approximately 1 in every 16,920 girls born was named Joslynn. FALLING Recent data shows the name is currently falling.