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Surname Kous (Kaus
, Kous
, Kowsu
) , in the entire world, is quite a common last name. The cognomen Kous is characteristic of Estonia, where it is quite a common surname, Slovenia, where it is quite a rare surname, and Moldova. Not in comparison with a country's population, it is commonest in Germany, the United States, and the Democratic Republic of the Congo. Much less frequently, Kous is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kaus | Malaysia, India, Poland, United States, Germany |
| Kous | India, Austria, United States, Democratic Republic of the Congo, Algeria |
| Kowsu | India |
| Calcea | Italy, France, Moldova, United States, Romania |