Surname Thieffry (Thieffry 
) , globally, is quite a rare family name. The surname Thieffry is characteristic of Western Europe, particularly France, where it is quite a rare surname, Belgium, and Switzerland, where it is a rare surname. Very seldom, Thieffry is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Thieffry | Belgium, Democratic Republic of the Congo, France, Germany, Switzerland |
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edmond thieffry Belgian aviator (1892-1929), BE (b. 1892) |
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| stéphane thieffry FR (b. 1910) |
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| jacques thieffry Olympic field hockey player, FR (b. 1924) |
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| alain thieffry FR (b. 1949) |
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| denis thieffry researcher (b. 1962) |
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| augustin thieffry FR (b. 1953) |
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| patrick thieffry FR (b. 1955) |
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| axel thieffry researcher |
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| solène thieffry researcher (ORCID 0000-0003-2286-3299) |
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| marc thieffry FR |
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| arthur thieffry (b. 1989) |
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Mr, Joel, Jean, Thã, Tony, Nico, Nina, Eric, Emma, Hugo, Fred, Iris, Iman, Yves, Zoé, Marie, Manon, Mehdi, Sanaa, Sarah, Simon, Sonia, Lysa, Lulu, Loic, Lola, Ms, Sã, Bã, Guy, Luc, Tom, Eve, Marc, Mary, Mika, Alice, Alex, Anna, Anne, Aude, Axel, Carl, Beru, Paul, Rene, Greg, Lisa, Andy, and Alain