Kailan is a distinctive girls' name in United States, ranking #10448 in 2007 with 11 recorded births. The name reached its all-time peak in 2009 with 39 births ranking #3984. Since 1996, the popularity has decreased by 38.9%. In 2007, approximately 1 in every 174,768 girls born was named Kailan. FALLING Recent data shows the name is currently falling.