Cayleb is a distinctive boys' name in United States, ranking #3630 in 2005 with 26 recorded births. This places Cayleb in the top 27% 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 225.0%. In 2005, approximately 1 in every 76,813 boys born was named Cayleb. FALLING Recent data shows the name is currently falling.