Josselyn is a distinctive girls' name in United States, ranking #1028 in 2007 with 257 recorded births. The name reached its all-time peak in 2007 with 257 births ranking #1028. Since 1996, the popularity has increased by 301.6%. In 2007, approximately 1 in every 7,480 girls born was named Josselyn. FALLING Recent data shows the name is currently falling.