Jalyn is a distinctive boys' name in United States, ranking #1138 in 2001 with 122 recorded births. The name reached its all-time peak in 2001 with 122 births ranking #1138. Since 1996, the popularity has increased by 64.9%. In 2001, approximately 1 in every 15,925 boys born was named Jalyn. FALLING Recent data shows the name is currently falling.