Surname Saint-Clair (Saint-Clair 
) , in the entire world, is a rare cognomen. The family name Saint-Clair is habitual in Haiti, where it is quite a rare surname, France, where it is a rare surname, and Australia, where it is a very rare surname. In absolute terms, this name is the most popular in France, Haiti, and the United States. More prevalently, Saint-Clair is the forename as well as the last name. Parts of the name also exists independently as a first name Saint, and a first name Clair.
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| Saint-Clair | Democratic Republic of the Congo, France, Haiti, Cameroon, Ivory Coast |
| gunnora de saint-clair 1130- (b. 1129) |
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| jean-baptiste benoit de saint-clair French colonial administrator, FR (b. 1650) |
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georges de saint-clair (1845-1910), FR (b. 1845) |
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| simone saint-clair French journalist, FR (b. 1896) |
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| georges saint-clair French Catholic priest, FR (b. 1921) |
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| pierre-michel saint-clair phytologist (b. 1939) |
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| noël saint-clair French singer-songwriter, FR (b. 1953) |
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| almir saint-clair Brazilian vocalist, BR |
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| frédéric saint-clair French essayist |
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| brian saint-clair French association football player, FR (b. 1988) |
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