Boy name origins & meanings
- Latin : Cask
- Old English : Barrel maker
Family name origins & meanings
- North German (also Küper) : occupational name for a cooper, from Middle Low German kuper ‘cooper’.
- Swiss German : nickname for a sulky person, from Swiss German kupen‘to sulk’, ‘to pout’.
- Jewish (eastern Ashkenazic) : from Yiddish kuper ‘copper’ (or a Yiddishized form of GermanKupfer), hence a metonymic occupational name for a coppersmith or an ornamental name.