Kaylynn is a distinctive girls' name in United States, ranking #599 in 2007 with 502 recorded births. The name reached its all-time peak in 2009 with 590 births ranking #513. Since 1996, the popularity has increased by 97.6%. In 2007, approximately 1 in every 3,830 girls born was named Kaylynn. FALLING Recent data shows the name is currently falling.