Whole-hearted or dog
A modern phonetic spelling of the Hebrew name Caleb. It is traditionally interpreted as meaning 'whole-hearted' from the Hebrew words 'kol' (all) and 'lev' (heart), though it also literally translates to 'dog' symbolizing loyalty.
Less common today
Kayleb isn't in the latest US Top 1000. It last peaked at #1,114 in 2010.
US births per 5-year period, 1990βpresent (SSA data).