Kaylynn is a distinctive girls' name in United States, ranking #621 in 2012 with 459 recorded births. The name reached its all-time peak in 2009 with 590 births ranking #513. Since 1996, the popularity has increased by 80.7%. In 2012, approximately 1 in every 3,836 girls born was named Kaylynn. FALLING Recent data shows the name is currently falling.