Kayelynn is a distinctive girls' name in United States, ranking #5640 in 2011 with 24 recorded births. The name reached its all-time peak in 2008 with 27 births ranking #5364. Since 1996, the popularity has increased by 166.7%. In 2011, approximately 1 in every 73,284 girls born was named Kayelynn. FALLING Recent data shows the name is currently falling.