Kailan is a distinctive boys' name in United States, ranking #5491 in 1999 with 12 recorded births. This places Kailan in the top 47% 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. In 1999, approximately 1 in every 160,007 boys born was named Kailan. FALLING Recent data shows the name is currently falling.