Kaylei is a distinctive girls' name in United States, ranking #2450 in 1999 with 59 recorded births. The name reached its all-time peak in 2007 with 128 births ranking #1709. Since 1996, the popularity has increased by 210.5%. In 1999, approximately 1 in every 30,064 girls born was named Kaylei. FALLING Recent data shows the name is currently falling.