Cognomen Deaux (Decaux 
, Deaux 
) , in the world, is quite a rare surname. The last name Deaux is habitual in France, where it is quite a rare surname, Belgium, and Uruguay, where it is a rare surname. Not in comparison with a country's population, the name is most common in France, the Democratic Republic of the Congo, and Belgium.
| VARIANT | COUNTRY |
|---|---|
| Decaux | Belgium, United States, Argentina, Democratic Republic of the Congo, France |
| Deaux | United Kingdom, Australia, Canada, United States, France |
| louise catherine deaux (1750-1808) (b. 1750) |
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kay deaux American social psychologist (b. 1941) |
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lucas deaux French footballer, FR (b. 1988) |
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| jacques de deaux Roman Catholic bishop, FR |
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| timothy deaux American musician, US |
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| paul de deaux FR |
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| jean deaux American musician, US (b. 1995) |
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Mr, Myrna, Alice, Alain, Chris, Cathy, Clint, Bobby, Kathy, Katia, Fred, Kaela, Peggy, Robin, David, Donna, Grier, Louis, Lucas, Janet, James, Kitty, Eric, Tori, Tara, Ms, Ve, Ali, Bor, Phy, Ron, Dot, Jon, Jim, Mary, Matt, Anna, Kenn, Paul, Ruth, Jane, Jain, John, Jone, Joan, Jean, Jayne, and Jaiin