Cognomen Dubuc (Dubuc 
) , throughout the world, is quite a common surname. The cognomen Dubuc is characteristic of Canada, where it is quite a rare surname, France, and El Salvador. In absolute terms, it is the most numerous in France, Canada, and the United States. Much less frequently, Dubuc is the forename as well as the last name.
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| Dubuc | Canada, France, Venezuela, United States, El Salvador |
| jean-baptiste charles gabriel dubuc French clockmaker, FR (b. 1743) |
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| louis-françois dubuc French colonial administrator (1759-1827), FR (b. 1759) |
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| claude dubuc FR (b. 1750) |
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joseph dubuc Canadian politician (1840-1914), CA (b. 1840) |
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| jean françois dubuc FR (b. 1803) |
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julien-édouard-alfred dubuc Canadian politician, CA (b. 1871) |
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édouard dubuc French civil engineer and municipal councillor (1872-1945), FR (b. 1872) |
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jean dubuc Baseball player and coach, US (b. 1888) |
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| lucien dubuc Canadian politician, CA (b. 1877) |
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| rené dubuc FR (b. 1891) |
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| andré dubuc FR (b. 1905) |
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| carl dubuc Canadian journalist and essayist, CA (b. 1925) |
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maryse dubuc writer, CA (b. 1977) |
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nicole dubuc American actress and writer, US (b. 1978) |
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marianne dubuc Canadian writer and illustrator, CA (b. 1980) |
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