Kayleb is a distinctive boys' name in United States, ranking #1431 in 2015 with 120 recorded births. The name reached its all-time peak in 2010 with 171 births ranking #1114. Since 1996, the popularity has increased by 531.6%. In 2015, approximately 1 in every 15,969 boys born was named Kayleb. FALLING Recent data shows the name is currently falling.