Kailei is a distinctive girls' name in United States, ranking #4741 in 2009 with 31 recorded births. The name reached its all-time peak in 2004 with 34 births ranking #4135. Since 1996, the popularity has increased by 287.5%. In 2009, approximately 1 in every 59,254 girls born was named Kailei. FALLING Recent data shows the name is currently falling.