Kaylei is a distinctive girls' name in United States, ranking #1709 in 2007 with 128 recorded births. The name reached its all-time peak in 2007 with 128 births ranking #1709. Since 1996, the popularity has increased by 573.7%. In 2007, approximately 1 in every 15,019 girls born was named Kaylei. FALLING Recent data shows the name is currently falling.