Family name Cauchon (Cauchon 
) , around the world, is quite a rare last name. The family name Cauchon is characteristic of Canada, where it is quite a rare surname, France, where it is a rare surname, and New Zealand. Not in comparison with a country's population, it is commonest in Canada, France, and the United States.
| VARIANT | COUNTRY |
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| Cauchon | United Kingdom, Canada, United States, New Zealand, France |
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pierre cauchon French bishop, prosecutor of Joan of Arc, FR (b. 1371) |
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henri cauchon de maupas FR (b. 1604) |
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joseph-édouard cauchon Canadian politician (1816-1885), CA (b. 1816) |
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| robert cauchon Canadian politician (1900-1980), CA (b. 1900) |
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martin cauchon Canadian lawyer, politician, CA (b. 1962) |
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| jean cauchon French politician, FR (b. 1913) |
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| robert cauchon Canadian painter, CA (b. 1914) |
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| luc cauchon Canadian radio host, CA (b. 1974) |
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| r. cauchon botanist |
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| michel cauchon researcher |
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| vincent cauchon Canadian sportscaster, CA (b. 1980) |
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| thierry cauchon, seigneur de maupas (1500-1554) |
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| luc-antoine cauchon Quebecois political candidate, CA |
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| françois cauchon Canadian fencer, CA |
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