Kaylynn is a distinctive girls' name in United States, ranking #740 in 2015 with 380 recorded births. The name reached its all-time peak in 2009 with 590 births ranking #513. Since 1996, the popularity has increased by 49.6%. In 2015, approximately 1 in every 4,696 girls born was named Kaylynn. FALLING Recent data shows the name is currently falling.