Kailei is a distinctive girls' name in United States, ranking #4985 in 2011 with 28 recorded births. The name reached its all-time peak in 2004 with 34 births ranking #4135. Since 1996, the popularity has increased by 250.0%. In 2011, approximately 1 in every 62,814 girls born was named Kailei. FALLING Recent data shows the name is currently falling.