Jacilyn is a distinctive girls' name in United States, ranking #13737 in 2013 with 7 recorded births. The name reached its all-time peak in 1998 with 14 births ranking #6853. Since 1996, the popularity has decreased by 30.0%. In 2013, approximately 1 in every 250,630 girls born was named Jacilyn. FALLING Recent data shows the name is currently falling.