Kailan is a distinctive girls' name in United States, ranking #9581 in 2006 with 12 recorded births. The name reached its all-time peak in 2009 with 39 births ranking #3984. Since 1996, the popularity has decreased by 33.3%. In 2006, approximately 1 in every 158,423 girls born was named Kailan. FALLING Recent data shows the name is currently falling.