Derived from Case or Jason; possibly son of Case
Kaesen is a modern American invention, likely created as a phonetic variation of Cason or a blend of the names Kai and Jason. While it lacks a singular ancient etymology, it follows the popular 'n-ending' trend for boys. It is often associated with the English surname Case, meaning 'box' or 'chest maker'.
Less common today
Kaesen isn't in the latest US Top 1000. It last peaked at #3,993 in 2012.
US births per 5-year period, 1990βpresent (SSA data).