Cognomen Beaudoin (Beaudoin 
) , all around the world, is a common last name. The cognomen Beaudoin is characteristic of Canada, where it is quite a common surname, New Zealand, where it is quite a rare surname, and France. Measured by absolute frequency, it is commonest in Canada, the United States, and France. Much less frequently, Beaudoin is the forename as well as the last name.
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| Beaudoin | France, Canada, Democratic Republic of the Congo, United States, New Zealand |
| philippe beaudoin (b. 1775) |
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| jean-baptiste beaudoin Canadian politician (1787-1870), CA (b. 1787) |
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raymond o. beaudoin United States Army Medal of Honor recipient, US (b. 1918) |
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gilles beaudoin Mayor of Trois-Rivières, Québec, Canada, 1970–1990, CA (b. 1919) |
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| robert beaudoin French film director (1891-1960), FR (b. 1891) |
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louise beaudoin Canadian politician, CA (b. 1945) |
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| françois beaudoin French politician, FR (b. 1904) |
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jean-pierre beaudoin FR (b. 1945) |
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| philippe beaudoin CA (b. 1900) |
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| louis-rené beaudoin Canadian politician (1912-1970), CA (b. 1912) |
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| kenneth lawrence beaudoin American writer (1913-1995), US (b. 1913) |
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| léonel beaudoin Canadian politician, CA (b. 1924) |
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alexandre beaudoin Canadian forensic scientist, CA (b. 1978) |
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| gérald beaudoin Canadian lawyer political personality (1929-2008), CA (b. 1929) |
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éric beaudoin Canadian ice hockey player, CA (b. 1980) |
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