Cayleb is a distinctive boys' name in United States, ranking #1827 in 2009 with 81 recorded births. The name reached its all-time peak in 2009 with 81 births ranking #1827. Since 1996, the popularity has increased by 912.5%. In 2009, approximately 1 in every 24,485 boys born was named Cayleb. FALLING Recent data shows the name is currently falling.