Last name Authier (Authier 
) , around the world, is quite a rare cognomen. The cognomen Authier is habitual in France, where it is quite a rare surname, Canada, and Switzerland. Measured by absolute frequency, it is commonest in France, the United States, and Canada. Very seldom, Authier is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Authier | Canada, France, China, United States, Switzerland |
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victor authier French politician, FR (b. 1856) |
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hector authier Canadian politician, CA (b. 1881) |
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| catherine authier French Righteous Among the Nations, FR (b. 1895) |
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| françois authier French Righteous Among the Nations, FR (b. 1898) |
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michel authier French mathematician and sociologist, FR (b. 1949) |
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christine authier French singer, FR (b. 1950) |
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| eugène authier French politician, FR (b. 1909) |
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jean françois authier French architect, FR (b. 1966) |
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yohann authier rugby union player, FR (b. 1981) |
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| michel authier French military officer and official, FR (b. 1935) |
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| andré authier French politician, FR (b. 1947) |
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| gérard authier French politician, FR (b. 1949) |
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| philip authier Canadian journalist, CA (b. 1953) |
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| gilles authier French politician, FR (b. 1955) |
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| christian authier French journalist, FR (b. 1969) |
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