Kailin is a distinctive boys' name in United States, ranking #13130 in 2018 with 5 recorded births. This places Kailin in the bottom 7% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2000 with 10 births ranking #6577. Since 1996, the popularity has decreased by 37.5%. In 2018, approximately 1 in every 363,095 boys born was named Kailin. STABLE Recent data shows the name is currently stable.