Josslyn is a distinctive girls' name in United States, ranking #1509 in 2010 with 149 recorded births. The name reached its all-time peak in 2011 with 179 births ranking #1318. Since 1996, the popularity has increased by 1,555.6%. In 2010, approximately 1 in every 11,928 girls born was named Josslyn. FALLING Recent data shows the name is currently falling.