Kailan is a distinctive boys' name in United States, ranking #7209 in 2001 with 9 recorded births. This places Kailan in the bottom 41% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2022 with 44 births ranking #2888. Since 1996, the popularity has decreased by 18.2%. In 2001, approximately 1 in every 215,870 boys born was named Kailan. FALLING Recent data shows the name is currently falling.