Jaelynn is a distinctive girls' name in United States, ranking #521 in 2008 with 591 recorded births. The name reached its all-time peak in 2010 with 592 births ranking #504. Since 1996, the popularity has increased by 1,541.7%. In 2008, approximately 1 in every 3,199 girls born was named Jaelynn. FALLING Recent data shows the name is currently falling.