Cayleb is a distinctive boys' name in United States, ranking #1986 in 2008 with 71 recorded births. The name reached its all-time peak in 2009 with 81 births ranking #1827. Since 1996, the popularity has increased by 787.5%. In 2008, approximately 1 in every 28,732 boys born was named Cayleb. FALLING Recent data shows the name is currently falling.