Surname Derocher (Derocher 
) , in the world, is a rare family name. The cognomen Derocher is habitual in Canada, where it is a rare surname, the United States, and New Zealand. Measured by absolute frequency, it is commonest in the United States, Canada, and Belgium.
| VARIANT | COUNTRY |
|---|---|
| Derocher | Canada, New Zealand, United States, Belgium, Venezuela |
| amy derocher researcher |
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| andrew e derocher researcher |
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| karen a derocher researcher |
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