Kaylynn is a distinctive girls' name in United States, ranking #656 in 2004 with 418 recorded births. The name reached its all-time peak in 2009 with 590 births ranking #513. Since 1996, the popularity has increased by 64.6%. In 2004, approximately 1 in every 4,393 girls born was named Kaylynn. FALLING Recent data shows the name is currently falling.