Kaylynn is a distinctive girls' name in United States, ranking #528 in 2008 with 580 recorded births. The name reached its all-time peak in 2009 with 590 births ranking #513. Since 1996, the popularity has increased by 128.3%. In 2008, approximately 1 in every 3,260 girls born was named Kaylynn. FALLING Recent data shows the name is currently falling.