Jalyn is a distinctive girls' name in United States, ranking #721 in 2003 with 355 recorded births. The name reached its all-time peak in 2003 with 355 births ranking #721. Since 1996, the popularity has increased by 166.9%. In 2003, approximately 1 in every 5,147 girls born was named Jalyn. FALLING Recent data shows the name is currently falling.