Kailei is a distinctive girls' name in United States, ranking #6940 in 2017 with 17 recorded births. The name reached its all-time peak in 2004 with 34 births ranking #4135. Since 1996, the popularity has increased by 112.5%. In 2017, approximately 1 in every 101,522 girls born was named Kailei. FALLING Recent data shows the name is currently falling.