Cognomen Laffitte (Laffitte 
) , all over the world, is quite a common surname. The family name Laffitte is habitual in France, where it is quite a rare surname, Uruguay, and Argentina. Measured by absolute frequency, it is the most numerous in France, the United States, and Argentina. Very seldom, Laffitte is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Laffitte | France, Argentina, Brazil, United States, Uruguay |
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jacques laffitte French banker and politician (1767-1844), FR (b. 1767) |
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martin laffitte French politician, FR (b. 1773) |
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charles laffitte French politician and private banker, FR (b. 1803) |
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| louis laffitte French painter, FR (b. 1772) |
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pierre laffitte French philosopher, FR (b. 1823) |
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| jean-baptiste laffitte FR (b. 1775) |
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jules laffitte French journalist, FR (b. 1838) |
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louise laffitte FR (b. 1849) |
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| charles laffitte botanist (1811-1895) (b. 1811) |
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| rafael laffitte y laffitte ES (b. 1805) |
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| pierre laffitte FR (b. 1807) |
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marcel laffitte French rugby union player, FR (b. 1880) |
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| paul laffitte French economist, FR (b. 1839) |
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maría laffitte Spanish aristocrat, writer, art critic and women's rights activist, ES (b. 1902) |
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| julio laffitte ES (b. 1846) |
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