Kailan is a distinctive girls' name in United States, ranking #14371 in 2001 with 6 recorded births. The name reached its all-time peak in 2009 with 39 births ranking #3984. Since 1996, the popularity has decreased by 66.7%. In 2001, approximately 1 in every 300,093 girls born was named Kailan. FALLING Recent data shows the name is currently falling.