Jacquilyn is a distinctive girls' name in United States, ranking #8849 in 1998 with 10 recorded births. This places Jacquilyn in the bottom 47% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1997 with 11 births ranking #7979. Since 1996, the popularity has increased by 42.9%. In 1998, approximately 1 in every 176,689 girls born was named Jacquilyn. FALLING Recent data shows the name is currently falling.