Family name Larouche (Larouche 
) , all over the world, is quite a common surname. The cognomen Larouche is habitual in Canada, where it is quite a common surname, New Zealand, where it is quite a rare surname, and Ivory Coast, where it is a rare surname. Measured by absolute frequency, it is commonest in Canada, the United States, and New Zealand.
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| Larouche | France, Ivory Coast, United States, Canada, New Zealand |
| antoine larouche (15 Nov 1816 - certain 6 Dec 1893) (b. 1816) |
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| joseph golthier larouche (25 Feb 1867 - 1931) (b. 1867) |
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lyndon larouche American political activist and founder of the LaRouche movement (1922-2019), US (b. 1922) |
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| arthur larouche Canadian politician (1900-1968), CA (b. 1900) |
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| guillaume larouche Canadian Catholic priest, CA (b. 1903) |
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isabelle larouche Canadian writer, CA (b. 1968) |
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| albert larouche Canadian radio host, CA (b. 1925) |
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| rené larouche physical education professor at Université Laval, CA (b. 1942) |
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| jean-claude larouche Canadian writer, CA (b. 1944) |
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justin larouche Canadian handball player, CA (b. 1995) |
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| louise lou larouche Quebec poet (b. 1946) |
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| fernande larouche Quebec poet and novelist (b. 1947) |
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| élizabeth larouche Canadian politician, CA (b. 1953) |
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| michel larouche Canadian sports coach, CA (b. 1953) |
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| rené serge larouche Canadian politician, CA (b. 1953) |
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