Surname Courtial (Courtial 
) , throughout the world, is quite a rare last name. The cognomen Courtial is habitual in Reunion, where it is quite a common surname, France, where it is quite a rare surname, and Germany, where it is a rare surname. Much less frequently, Courtial is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Courtial | Argentina, United States, France, Germany, Reunion |
| georges courtial French politician (1866-1932), FR (b. 1866) |
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| eugène courtial French Righteous Among the Nations, FR (b. 1884) |
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| celie courtial French Righteous Among the Nations, FR (b. 1893) |
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| jean courtial French physician and cancer specialist (1903-1966), FR (b. 1903) |
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édouard courtial member of the National Assembly of France, FR (b. 1973) |
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paulin courtial occitan musician, FR |
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| albert louis courtial Dutch artist and clown, NL (b. 1937) |
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| jean courtial French official, FR (b. 1951) |
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| jean-pierre courtial French sociologist, FR (b. 1953) |
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| hans-albert courtial DE (b. 1946) |
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| pascal courtial French politician, FR (b. 1967) |
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| anne courtial French politician, FR (b. 1977) |
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| johannes courtial researcher |
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| pierre-paul courtial French poet |
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| lucile courtial researcher |
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