Jaelyn is a distinctive girls' name in United States, ranking #563 in 2001 with 460 recorded births. The name reached its all-time peak in 2008 with 1,014 births ranking #332. Since 1996, the popularity has increased by 256.6%. In 2001, approximately 1 in every 3,914 girls born was named Jaelyn. FALLING Recent data shows the name is currently falling.