Kailin is a distinctive boys' name in United States, ranking #10275 in 2019 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 2019, approximately 1 in every 256,194 boys born was named Kailin. STABLE Recent data shows the name is currently stable.