Last name Barrau (Barrau 
, باراو) , across the world, is quite a common cognomen. The family name Barrau is characteristic of France, where it is quite a rare surname, Haiti, and Argentina, where it is a rare surname. Measured by absolute frequency, it is commonest in France, Argentina, and Spain. Very seldom, Barrau is the forename as well as the last name.
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| Barrau | Haiti, Spain, Argentina, Democratic Republic of the Congo, France |
| étienne barrau French silversmith (b. 1737) |
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jacint barrau i cortès Catalan businessperson, inventor and engineer (1810-1884), ES (b. 1810) |
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| pierre barrau FR (b. 1751) |
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| pierre bernand barrau French economist, FR (b. 1767) |
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| joan barrau and fill Catalan weaver that improved cashmere weaving method., ES (b. 1783) |
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| théodore-henri barrau writer and pedagog, FR (b. 1794) |
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theophile barrau French artist, FR (b. 1848) |
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| bernard-gabriel-xavier d'abbadie de barrau French politician, FR (b. 1820) |
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johan antony barrau Dutch mathematician (1873-1953), NL (b. 1873) |
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| josep oriol barrau i esplugas ES (b. 1814) |
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enrique barrau Spanish military personnel, ES (b. 1912) |
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| laureano barrau Spanish artist (1863-1957), ES (b. 1863) |
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| julie barrau French Righteous Among the Nations, FR (b. 1864) |
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| laure ano barrau ES (b. 1863) |
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jacques barrau French anthropologist (1925-1997), FR (b. 1925) |
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