Joslynn is a distinctive girls' name in United States, ranking #3267 in 2021 with 49 recorded births. The name reached its all-time peak in 2011 with 209 births ranking #1171. Since 1996, the popularity has increased by 11.4%. In 2021, approximately 1 in every 33,464 girls born was named Joslynn. FALLING Recent data shows the name is currently falling.