Cayleb is a distinctive boys' name in United States, ranking #8373 in 2025 with 9 recorded births. This places Cayleb in the bottom 40% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2009 with 81 births ranking #1827. Since 1996, the popularity has increased by 12.5%. In 2025, approximately 1 in every 189,786 boys born was named Cayleb. FALLING Recent data shows the name is currently falling.