Jasilyn is a distinctive girls' name in United States, ranking #10752 in 2010 with 10 recorded births. This places Jasilyn in the bottom 46% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2010 with 10 births ranking #10752. In 2010, approximately 1 in every 177,733 girls born was named Jasilyn. FALLING Recent data shows the name is currently falling.