Kayln is a distinctive girls' name in United States, ranking #6337 in 2000 with 17 recorded births. The name reached its all-time peak in 1996 with 23 births ranking #4513. Since 1996, the popularity has decreased by 26.1%. In 2000, approximately 1 in every 106,822 girls born was named Kayln. FALLING Recent data shows the name is currently falling.