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Last name Grzywacz (Grzywacz
) , in the entire world, is quite a common cognomen. The family name Grzywacz is habitual in Poland, where it is quite a common surname, Austria, where it is a rare surname, and Ireland. Not in comparison with a country's population, it is the most numerous in Poland, the United States, and France. More frequently, Grzywacz is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Grzywacz | Poland, France, United States, United Kingdom, Germany |