Money box or case
Kasch is a variant of the German surname Cash, which originated as an occupational name for a maker of boxes, chests, or money cases. It is derived from the Middle High German word 'kasse'. In modern usage, it is often chosen for its sharp, energetic sound and its association with the more common spelling Cash.
Less common today
Kasch isn't in the latest US Top 1000. It last peaked at #5,051 in 2014.
US births per 5-year period, 1990βpresent (SSA data).