Josslyn is a distinctive girls' name in United States, ranking #2315 in 2006 with 82 recorded births. The name reached its all-time peak in 2011 with 179 births ranking #1318. Since 1996, the popularity has increased by 811.1%. In 2006, approximately 1 in every 23,184 girls born was named Josslyn. FALLING Recent data shows the name is currently falling.