Kaylei is a distinctive girls' name in United States, ranking #3042 in 1998 with 42 recorded births. The name reached its all-time peak in 2007 with 128 births ranking #1709. Since 1996, the popularity has increased by 121.1%. In 1998, approximately 1 in every 42,069 girls born was named Kaylei. FALLING Recent data shows the name is currently falling.