Kayelynn is a distinctive girls' name in United States, ranking #16131 in 2006 with 6 recorded births. The name reached its all-time peak in 2008 with 27 births ranking #5364. Since 1996, the popularity has decreased by 33.3%. In 2006, approximately 1 in every 316,845 girls born was named Kayelynn. FALLING Recent data shows the name is currently falling.