Family name Deconinck (Deconinck 
) , around the world, is quite a rare last name. The last name Deconinck is characteristic of Western Europe, particularly Belgium, where it is quite a common surname, France, where it is quite a rare surname, and Switzerland, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Belgium, France, and the United States. Very seldom, Deconinck is the forename as well as the last name.
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| Deconinck | Switzerland, France, Canada, United States, Belgium |
| frans deconinck politician (1865-1937), BE (b. 1865) |
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romain deconinck Belgian actor and cabaret artist, BE (b. 1915) |
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bernard deconinck cyclist, FR (b. 1936) |
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| joseph deconinck (b. 1882) |
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| jules deconinck Belgian politician, BE (b. 1897) |
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| octave jean baptiste deconinck NL (b. 1894) |
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| henri deconinck cyclist, FR (b. 1909) |
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| albert deconinck Belgian politician (1918-1999), BE (b. 1918) |
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| daniël deconinck Belgian politician, BE (b. 1921) |
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| marc deconinck Belgian politician, BE (b. 1945) |
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| eric deconinck French businessman, FR (b. 1948) |
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| j. deconinck researcher ORCID ID = 0000-0001-6268-3140, BE (b. 1952) |
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| stéphane deconinck French politician, FR (b. 1952) |
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| luc deconinck Belgian politician, BE (b. 1954) |
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| beatrijs deconinck Belgian lawyer and judge, BE (b. 1955) |
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