Jaelyn is a distinctive girls' name in United States, ranking #535 in 2003 with 528 recorded births. The name reached its all-time peak in 2008 with 1,014 births ranking #332. Since 1996, the popularity has increased by 309.3%. In 2003, approximately 1 in every 3,460 girls born was named Jaelyn. FALLING Recent data shows the name is currently falling.