Kailan is a distinctive girls' name in United States, ranking #7348 in 2000 with 14 recorded births. The name reached its all-time peak in 2009 with 39 births ranking #3984. Since 1996, the popularity has decreased by 22.2%. In 2000, approximately 1 in every 129,712 girls born was named Kailan. FALLING Recent data shows the name is currently falling.