Surname Dumortier (Dumortier 
) , throughout the world, is quite a common family name. The surname Dumortier is habitual in 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. In absolute terms, it is the most numerous in France, Belgium, and the United States. Much less frequently, Dumortier is the forename as well as the last name.
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| Dumortier | Argentina, United States, Switzerland, France, Belgium |
Du Mortier, and Думортиер
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eugène dumortier French paleontologist (1801-1876), FR (b. 1802) |
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| paul dumortier Flemish sculptor, BE (b. 1763) |
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| prosper dumortier Belgian painter, BE (b. 1805) |
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| félix dumortier BE (b. 1801) |
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| geneviève emelie dion dite dumortier 25 Mar 1815 St.Cuthbert, Berthier, Quebec - 3 May 1854 Ste.Elisabeth, Quebec (b. 1815) |
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| henri dumortier Belgian politician and lawyer, BE (b. 1821) |
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| valère dumortier Belgian architect, BE (b. 1848) |
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andré dumortier Belgian musician, BE (b. 1910) |
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| isidore marie joseph dumortier French bishop (1869-1940), FR (b. 1869) |
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freddy dumortier Belgian mathematician (1947-), BE (b. 1947) |
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| jeannil dumortier French politician, FR (b. 1911) |
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| jean dumortier FR (b. 1903) |
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| piet dumortier Dutch association football player (1915-1945), NL (b. 1915) |
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| jean dumortier Belgian writer, BE (b. 1926) |
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| georges dumortier Belgian television presenter, BE (b. 1941) |
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