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Family name Estain (Estain
, Staen
) , throughout the world, is a rare last name. The cognomen Estain is habitual in Belgium, where it is a rare surname, Romania, and France, where it is a very rare surname. Not in comparison with a country's population, the name is most common in Belgium, the United States, and Romania. Much less frequently, Estain is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Estain | India, Mexico, France, Nigeria, United States |
| Staen | Brazil, Romania, Belgium, United States |