Josslyn is a distinctive girls' name in United States, ranking #6781 in 2001 with 16 recorded births. The name reached its all-time peak in 2011 with 179 births ranking #1318. Since 1996, the popularity has increased by 77.8%. In 2001, approximately 1 in every 112,535 girls born was named Josslyn. FALLING Recent data shows the name is currently falling.