Josilyn is a distinctive girls' name in United States, ranking #6396 in 2017 with 19 recorded births. The name reached its all-time peak in 2006 with 69 births ranking #2613. Since 1996, the popularity has decreased by 26.9%. In 2017, approximately 1 in every 90,836 girls born was named Josilyn. FALLING Recent data shows the name is currently falling.