Cognomen Aucoin (Aucoin 
, Окойн 
) , worldwide, is quite a common family name. The surname Aucoin is characteristic of Canada, where it is quite a rare surname, Israel, and the United States. Not in comparison with a country's population, it is the most numerous in the United States, Canada, and France.
| VARIANT | COUNTRY |
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| Aucoin | Canada, Israel, France, United States, South Korea |
| Окойн | Ukraine |
| louis aucoin French politician, FR (b. 1834) |
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| hubert meen aucoin Canadian politician (1874-1952), CA (b. 1874) |
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les aucoin American politician, US (b. 1942) |
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bill aucoin American band manager, US (b. 1943) |
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| yvonne aucoin French Righteous Among the Nations, FR (b. 1896) |
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| maxime aucoin FR (b. 1890) |
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joseph aucoin United States Navy officer, US (b. 1957) |
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kelly aucoin American actor, US (b. 1967) |
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adrian aucoin ice hockey player, CA (b. 1973) |
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keith aucoin American ice hockey player, US (b. 1978) |
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rich aucoin Canadian indie rock musician, CA |
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matthew aucoin American composer, US (b. 1990) |
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| peter aucoin Professor emeritus of political science/public administration/Dalhousie University/Halifax/Canada, CA (b. 1943) |
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| louis m. aucoin United Nations Secretary-General Deputy Special Representative for Liberia (b. 1950) |
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| kevyn aucoin American make-up artist and photographer, US (b. 1962) |
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