Surname Roussey (Roussey 
) , around the world, is quite a rare last name. The family name Roussey is habitual in France, where it is quite a rare surname, the United States, where it is a very rare surname, and Belgium. Not in comparison with a country's population, it is the most numerous in France, the United States, and Germany. Very seldom, Roussey is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Roussey | France, United States, Colombia, Thailand, Germany |
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laurent roussey footballer, FR (b. 1961) |
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| marie colette roussey FR (b. 1937) |
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| isabelle roussey French politician, FR (b. 1958) |
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| olivier roussey French association football player, FR (b. 1958) |
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| sylvain roussey Ph.D. Université de Franche-Comté 2005 (b. 1978) |
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| nicole m roussey researcher (ORCID 0000-0003-0923-5976) |
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| mark roussey college basketball player (1981–1981) Towson |
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| catherine roussey researcher |
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| christine roussey FR (b. 1981) |
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| hugo roussey French association football player, FR (b. 1997) |
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