Jaelyn is a distinctive boys' name in United States, ranking #3126 in 2018 with 37 recorded births. The name reached its all-time peak in 2009 with 102 births ranking #1584. Since 1996, the popularity has increased by 164.3%. In 2018, approximately 1 in every 49,067 boys born was named Jaelyn. FALLING Recent data shows the name is currently falling.