Kaylynn is a distinctive girls' name in United States, ranking #770 in 1999 with 288 recorded births. The name reached its all-time peak in 2009 with 590 births ranking #513. Since 1996, the popularity has increased by 13.4%. In 1999, approximately 1 in every 6,159 girls born was named Kaylynn. FALLING Recent data shows the name is currently falling.