Kailei is a distinctive girls' name in United States, ranking #4511 in 2006 with 32 recorded births. The name reached its all-time peak in 2004 with 34 births ranking #4135. Since 1996, the popularity has increased by 300.0%. In 2006, approximately 1 in every 59,408 girls born was named Kailei. FALLING Recent data shows the name is currently falling.