What does Kayleb mean?
Kayleb \ka(y)-leb\ as a boys' name. Kayleb's name origin is Hebrew, and the name Kayleb means "faith, devotion, whole hearted". Kayleb is a variation of Caleb (Hebrew): anglicized form of Kaleb. A seldom-used birth name.
Kayleb is a rare first name for males. Kayleb is also a unique surname for both adults and children. (2000 U.S. Census)
Below is a graphed comparison of the usage of Kayleb and affiliated names. Prominent alternative forms of Kayleb (#unlisted) listed in the Top 1000 are Cal, Cale, Caleb (#35 last year) and Kaleb (#147). This boy name was at the top of its popularity in the year 2008 and is now much less popular, with the forms Cal and Cale becoming less stylish. Caleb (#35) and Kaleb (#147) are two of the more chic names for newborns in this list, with Caleb going through a rebound in usage. (2014 Birth Statistics)