Jaelynn is a distinctive girls' name in United States, ranking #592 in 2007 with 505 recorded births. The name reached its all-time peak in 2010 with 592 births ranking #504. Since 1996, the popularity has increased by 1,302.8%. In 2007, approximately 1 in every 3,807 girls born was named Jaelynn. FALLING Recent data shows the name is currently falling.