Jaelyn is a distinctive girls' name in United States, ranking #538 in 2002 with 510 recorded births. The name reached its all-time peak in 2008 with 1,014 births ranking #332. Since 1996, the popularity has increased by 295.3%. In 2002, approximately 1 in every 3,523 girls born was named Jaelyn. FALLING Recent data shows the name is currently falling.