Cognomen Proffit (Proffit 
) , in all the world, is quite a rare family name. The surname Proffit is habitual in France, where it is quite a rare surname, New Zealand, where it is a rare surname, and the United States. In absolute terms, it is the most numerous in the United States, France, and the United Kingdom. Very seldom, Proffit is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Proffit | United Kingdom, Democratic Republic of the Congo, France, United States, New Zealand |
| george h. proffit American politician (1807-1847), US (b. 1807) |
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| william proffit American orthodontist (1936-2018), US (b. 1936) |
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| benoît proffit French politician, FR (b. 1952) |
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| franck proffit French sailor, FR (b. 1963) |
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| cyril proffit French politician, FR (b. 1969) |
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| julien proffit French politician, FR (b. 1974) |
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| magali proffit researcher |
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| bessie proffit accused of witchcraft, GB |
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| elizabeth proffit - 10 Nov 1531 |
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| jared proffit New Zealand rugby union player (b. 1993) |
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