Kayleb is a distinctive boys' name in United States, ranking #3613 in 1996 with 19 recorded births. This places Kayleb in the top 34% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2010 with 171 births ranking #1114. In 1996, approximately 1 in every 99,696 boys born was named Kayleb. FALLING Recent data shows the name is currently falling.