Jaelyn is a distinctive boys' name in United States, ranking #1943 in 2010 with 72 recorded births. The name reached its all-time peak in 2009 with 102 births ranking #1584. Since 1996, the popularity has increased by 414.3%. In 2010, approximately 1 in every 26,645 boys born was named Jaelyn. FALLING Recent data shows the name is currently falling.