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Surname Garceau (Garceau
) , in the world, is quite a rare cognomen. The family name Garceau is habitual in Canada, where it is quite a rare surname, New Zealand, and the United States, where it is a rare surname. Not in comparison with a country's population, it most frequently occurs in the United States, Canada, and France.
| VARIANT | COUNTRY |
|---|---|
| Garceau | Canada, France, Austria, New Zealand, United States |