Kaylynn is a distinctive girls' name in United States, ranking #641 in 2014 with 446 recorded births. The name reached its all-time peak in 2009 with 590 births ranking #513. Since 1996, the popularity has increased by 75.6%. In 2014, approximately 1 in every 4,004 girls born was named Kaylynn. FALLING Recent data shows the name is currently falling.