Josslyn is a distinctive girls' name in United States, ranking #1658 in 2007 with 134 recorded births. The name reached its all-time peak in 2011 with 179 births ranking #1318. Since 1996, the popularity has increased by 1,388.9%. In 2007, approximately 1 in every 14,347 girls born was named Josslyn. FALLING Recent data shows the name is currently falling.