Joslynn is a distinctive girls' name in United States, ranking #5034 in 2025 with 26 recorded births. The name reached its all-time peak in 2011 with 209 births ranking #1171. Since 1996, the popularity has decreased by 40.9%. In 2025, approximately 1 in every 61,818 girls born was named Joslynn. FALLING Recent data shows the name is currently falling.