Kailan is a distinctive girls' name in United States, ranking #7049 in 1997 with 13 recorded births. The name reached its all-time peak in 2009 with 39 births ranking #3984. Since 1996, the popularity has decreased by 27.8%. In 1997, approximately 1 in every 133,897 girls born was named Kailan. FALLING Recent data shows the name is currently falling.