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Cognomen Koncewicz (Koncewicz
) , all over the world, is quite a rare last name. The cognomen Koncewicz is habitual in Poland, where it is quite a rare surname, Israel, where it is a rare surname, and Canada, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in Poland, the United States, and Germany. Also, Koncewicz is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Koncewicz | Poland, France, United States, United Kingdom, Germany |