Surname Decoster (Decoster 
) , in the world, is quite a common last name. The cognomen Decoster is habitual in Western Europe, particularly Belgium, where it is quite a common surname, France, where it is quite a rare surname, and Luxembourg. Not in comparison with a country's population, this name is the most popular in Belgium, France, and the United States. Much less frequently, Decoster is the forename as well as the last name.
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| Decoster | Belgium, Canada, Argentina, France, United States |
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jean-baptiste decoster (b. 1760) |
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| henri-ferdinand decoster BE (b. 1764) |
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| pierre decoster (b. 1806) |
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| fred a. decoster American politician, US (b. 1855) |
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| paul decoster Belgian philosopher (1886-1939), BE (b. 1886) |
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roger decoster Belgian motocross racer, BE (b. 1944) |
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| cyrus cole decoster American researcher in Spanish literature, US (b. 1914) |
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| edouard decoster French industrialist, FR (b. 1920) |
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| marcel decoster Belgian politician, BE (b. 1926) |
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sammy decoster French musician, FR (b. 1981) |
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| jean decoster Belgian sculptor, BE (b. 1952) |
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| maurice decoster French actor, FR (b. 1953) |
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| andré decoster Belgian economist, BE (b. 1958) |
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| guido decoster BE (b. 1951) |
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| serge decoster FR (b. 1954) |
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