Josilyn is a distinctive girls' name in United States, ranking #8342 in 2018 with 13 recorded births. The name reached its all-time peak in 2006 with 69 births ranking #2613. Since 1996, the popularity has decreased by 50.0%. In 2018, approximately 1 in every 130,802 girls born was named Josilyn. FALLING Recent data shows the name is currently falling.