Surname Delcroix (Delcroix 
) , in the world, is quite a common family name. The cognomen Delcroix is characteristic of Western Europe, particularly Monaco, where it is quite a common surname, Belgium, and France, where it is quite a rare surname. Not in comparison with a country's population, the name is most common in France, Belgium, and Poland. Much less frequently, Delcroix is the forename as well as the last name.
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| Delcroix | Belgium, Italy, Morocco, Poland, France |
| fidèle delcroix FR (b. 1790) |
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| désiré delcroix BE (b. 1823) |
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| jeanette delcroix (b. 1826) |
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giacomo delcroix Italian painter (b. 1894) |
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carlo delcroix Italian politician (1896-1977), IT (b. 1896) |
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| friedrich delcroix DE (b. 1864) |
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| léon delcroix 15 September 1880 — 14 November 1938, BE (b. 1880) |
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| konstantin delcroix German actor (1894-1982), DE (b. 1894) |
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| eugene a. delcroix (b. 1891) |
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olivier delcroix French journalist and writer, FR (b. 1967) |
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| jean-loup delcroix French physicist, FR (b. 1924) |
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nathalie delcroix Belgian singer, BE (b. 1976) |
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| roger delcroix Belgian politician and trade unionist (1928-2010), BE (b. 1928) |
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| adrienne delcroix Belgian painter, BE (b. 1930) |
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| claude delcroix Belgian politician (1931-2019), BE (b. 1931) |
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