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Family name Derouen (Derouen
) , all around the world, is quite a rare cognomen. The family name Derouen is habitual in the United States, where it is a rare surname, France, and New Zealand. Not in comparison with a country's population, it is commonest in the United States, France, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Derouen | Canada, France, New Zealand, United States, Germany |