Kailei is a distinctive girls' name in United States, ranking #6995 in 2012 with 18 recorded births. The name reached its all-time peak in 2004 with 34 births ranking #4135. Since 1996, the popularity has increased by 125.0%. In 2012, approximately 1 in every 97,819 girls born was named Kailei. FALLING Recent data shows the name is currently falling.