Kailei is a distinctive girls' name in United States, ranking #4592 in 2000 with 26 recorded births. The name reached its all-time peak in 2004 with 34 births ranking #4135. Since 1996, the popularity has increased by 225.0%. In 2000, approximately 1 in every 69,845 girls born was named Kailei. FALLING Recent data shows the name is currently falling.