Kaylynn is a distinctive girls' name in United States, ranking #624 in 2006 with 464 recorded births. The name reached its all-time peak in 2009 with 590 births ranking #513. Since 1996, the popularity has increased by 82.7%. In 2006, approximately 1 in every 4,097 girls born was named Kaylynn. FALLING Recent data shows the name is currently falling.