Family name origins & meanings
- Polish : from koper ‘dill’, ‘fennel’, a metonymic occupational name for a grower or seller of herbs and spices.
- German (also Köper) : occupational name from Middle Low German kopere ‘salesman’, ‘dealer’, ‘merchant’.
- German (Köper) : variant of Küpper (see Kupper).
- Dutch : metonymic occupational name for a coppersmith, from Dutch koper ‘copper’.