Cognomen Delcourt (Delcourt 
, Delcort 
) , around the world, is quite a common surname. The family name Delcourt is habitual in Western Europe, particularly Belgium, where it is quite a common surname, Luxembourg, and France, where it is quite a rare surname. Not in comparison with a country's population, this name is the most popular in France, Belgium, and the United States. Much less frequently, Delcourt is the forename as well as the last name.
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| Delcourt | Belgium, Canada, United States, Democratic Republic of the Congo, France |
| Delcort | Brazil, Spain |
| adrien delcourt 1662-1740; Theologe; Not found in: LCAuth (b. 1662) |
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guillaume delcourt Belgian navigator and naval officer, BE (b. 1825) |
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| henri delcourt (b. 1836) |
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| pierre delcourt French writer (1852-1931), FR (b. 1852) |
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robert delcourt Belgian author who wrote in the Picard language, BE (b. 1902) |
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léona delcourt French woman who inspired André Breton's Nadja, FR (b. 1902) |
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| amédée delcourt French biologist, FR (b. 1865) |
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| maurice delcourt French painter (1877-1916), FR (b. 1877) |
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jacques delcourt French karateka, FR (b. 1928) |
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| joseph delcourt (b. 1873) |
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| pierre delcourt French politician (1889-1948), FR (b. 1889) |
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| marie delcourt Belgian classical scholar and historian, BE (b. 1891) |
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guy delcourt French publisher and editor of comics, FR (b. 1958) |
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| andré delcourt BE (b. 1907) |
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| victor delcourt (1919-1994), LU (b. 1919) |
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