Family name Barrois (Barrois 
, Барроис, بارويس 
) , around the world, is quite a rare last name. The cognomen Barrois is characteristic of Reunion, where it is quite a common surname, France, where it is quite a rare surname, and Luxembourg. In absolute terms, it most frequently occurs in France, the United States, and Germany. Very seldom, Barrois is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Barrois | Belgium, France, Reunion, United States, Germany |
| بارويس | Saudi Arabia, Yemen |
| jean le barrois french knight (b. 1350) |
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| antoine barrois (b. 1641) |
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| françois barrois (b. 1673) |
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| jacques marie barrois author, bookseller and printer (b. 1704) |
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pierre barrois French soldier and officer, FR (b. 1774) |
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| pierre-théophile barrois 1752 - 1836 (b. 1752) |
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| louis-françois barrois (b. 1748) |
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| françois barrois-virnot French politician, FR (b. 1759) |
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| jean-baptiste barrois French politician, FR (b. 1784) |
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| jean-pierre-frédéric barrois 1786-after 1841 Nationality: French, FR (b. 1786) |
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| charles jacques barrois (b. 1777) |
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| joseph barrois (b. 1780) |
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| louis-théophile barrois (b. 1780) |
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| pierre françois barrois (b. 1788) |
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charles barrois French geologist (1851-1939), FR (b. 1851) |
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