Kailei is a distinctive girls' name in United States, ranking #5087 in 2001 with 23 recorded births. The name reached its all-time peak in 2004 with 34 births ranking #4135. Since 1996, the popularity has increased by 187.5%. In 2001, approximately 1 in every 78,285 girls born was named Kailei. FALLING Recent data shows the name is currently falling.