Josslyn is a distinctive girls' name in United States, ranking #8899 in 1998 with 10 recorded births. The name reached its all-time peak in 2011 with 179 births ranking #1318. Since 1996, the popularity has increased by 11.1%. In 1998, approximately 1 in every 176,689 girls born was named Josslyn. FALLING Recent data shows the name is currently falling.