Kaylynn is a distinctive girls' name in United States, ranking #750 in 2000 with 307 recorded births. The name reached its all-time peak in 2009 with 590 births ranking #513. Since 1996, the popularity has increased by 20.9%. In 2000, approximately 1 in every 5,915 girls born was named Kaylynn. FALLING Recent data shows the name is currently falling.