Jailyn is a distinctive girls' name in United States, ranking #1983 in 2017 with 100 recorded births. The name reached its all-time peak in 2007 with 278 births ranking #967. Since 1996, the popularity has increased by 53.8%. In 2017, approximately 1 in every 17,259 girls born was named Jailyn. FALLING Recent data shows the name is currently falling.