Jessilyn is a distinctive girls' name in United States, ranking #7220 in 2002 with 15 recorded births. The name reached its all-time peak in 1999 with 21 births ranking #5108. Since 1996, the popularity has decreased by 16.7%. In 2002, approximately 1 in every 119,788 girls born was named Jessilyn. RISING Recent data shows the name is currently rising.