Josslyn is a distinctive girls' name in United States, ranking #5564 in 2002 with 21 recorded births. The name reached its all-time peak in 2011 with 179 births ranking #1318. Since 1996, the popularity has increased by 133.3%. In 2002, approximately 1 in every 85,563 girls born was named Josslyn. FALLING Recent data shows the name is currently falling.