Jaelyn is a distinctive boys' name in United States, ranking #2042 in 2003 with 56 recorded births. The name reached its all-time peak in 2009 with 102 births ranking #1584. Since 1996, the popularity has increased by 300.0%. In 2003, approximately 1 in every 35,273 boys born was named Jaelyn. FALLING Recent data shows the name is currently falling.