Kailei is a distinctive girls' name in United States, ranking #6846 in 2014 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 2014, approximately 1 in every 99,219 girls born was named Kailei. FALLING Recent data shows the name is currently falling.