Josilyn is a distinctive girls' name in United States, ranking #9209 in 2020 with 11 recorded births. The name reached its all-time peak in 2006 with 69 births ranking #2613. Since 1996, the popularity has decreased by 57.7%. In 2020, approximately 1 in every 146,865 girls born was named Josilyn. FALLING Recent data shows the name is currently falling.