Josslyn is a distinctive girls' name in United States, ranking #7381 in 2003 with 15 recorded births. The name reached its all-time peak in 2011 with 179 births ranking #1318. Since 1996, the popularity has increased by 66.7%. In 2003, approximately 1 in every 121,803 girls born was named Josslyn. FALLING Recent data shows the name is currently falling.