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Family name Decoteau (Decoteau
) , globally, is quite a rare cognomen. The cognomen Decoteau is habitual in Grenada, where it is quite a common surname, Trinidad and Tobago, where it is quite a rare surname, and the United States, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in the United States, Canada, and Grenada.
| VARIANT | COUNTRY |
|---|---|
| Decoteau | United Kingdom, United States, Grenada, Trinidad and Tobago, Canada |