Surname Guerrier (Guerrier 
, Weren 
, Werren ) , across the world, is a common cognomen. The last name Guerrier is characteristic of Haiti, where it is quite a common surname, Switzerland, and the Dominican Republic, where it is quite a rare surname. In absolute terms, it is the most numerous in Haiti, France, and the United States. Much less frequently, Guerrier is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Guerrier | United States, Dominican Republic, Switzerland, France, Haiti |
| Weren | United States, Canada, Nigeria, Netherlands, Brazil |
| Werren | United States, Switzerland, France, Canada, Brazil |
| Gurrier | Germany, Canada, Argentina, United States |
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philippe guerrier President of Haiti (1757-1845), HT (b. 1757) |
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| jean-guillaume guerrier (1741-1807) (b. 1741) |
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prosper guerrier de dumast French historian, writer and archaeologist (1796-1883), FR (b. 1796) |
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| antoine-sébastien guerrier FR (b. 1761) |
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edmond guerrier American interpreter, US (b. 1840) |
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| william guerrier American rancher (b. 1812) |
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edith guerrier American librarian, US (b. 1870) |
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andré guerrier Olympic sailor, FR (b. 1874) |
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| louis guerrier FR (b. 1827) |
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| marie guerrier de haupt FR (b. 1835) |
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| louis guerrier architect (b. 1866) |
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frédéric théobald guerrier FR (b. 1913) |
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| francis guerrier World War I flying ace, FR (b. 1896) |
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| yves guerrier French physician (1917-2003), FR (b. 1917) |
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| raymond guerrier French painter, FR (b. 1920) |
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