Kayelynn is a distinctive girls' name in United States, ranking #16096 in 2025 with 5 recorded births. The name reached its all-time peak in 2008 with 27 births ranking #5364. Since 1996, the popularity has decreased by 44.4%. In 2025, approximately 1 in every 321,453 girls born was named Kayelynn. FALLING Recent data shows the name is currently falling.