Joslynn is a distinctive girls' name in United States, ranking #3108 in 2019 with 52 recorded births. The name reached its all-time peak in 2011 with 209 births ranking #1171. Since 1996, the popularity has increased by 18.2%. In 2019, approximately 1 in every 32,261 girls born was named Joslynn. FALLING Recent data shows the name is currently falling.