Jaelynn is a distinctive girls' name in United States, ranking #543 in 2009 with 557 recorded births. The name reached its all-time peak in 2010 with 592 births ranking #504. Since 1996, the popularity has increased by 1,447.2%. In 2009, approximately 1 in every 3,298 girls born was named Jaelynn. FALLING Recent data shows the name is currently falling.