Josselyn is a distinctive girls' name in United States, ranking #2295 in 2002 with 71 recorded births. The name reached its all-time peak in 2007 with 257 births ranking #1028. Since 1996, the popularity has increased by 10.9%. In 2002, approximately 1 in every 25,307 girls born was named Josselyn. FALLING Recent data shows the name is currently falling.