Kailin is a distinctive boys' name in United States, ranking #10315 in 2022 with 7 recorded births. The name reached its all-time peak in 2000 with 10 births ranking #6577. Since 1996, the popularity has decreased by 12.5%. In 2022, approximately 1 in every 249,196 boys born was named Kailin. STABLE Recent data shows the name is currently stable.