Jaelyn is a distinctive boys' name in United States, ranking #5104 in 2025 with 19 recorded births. The name reached its all-time peak in 2009 with 102 births ranking #1584. Since 1996, the popularity has increased by 35.7%. In 2025, approximately 1 in every 89,899 boys born was named Jaelyn. FALLING Recent data shows the name is currently falling.