Around the globe, Louis-Guillaume (Louis-Guillaume 
) is a very rare masculine first name. The first name Louis-Guillaume is habitual in Western Europe, particularly France, where it is a very rare male name. Very seldom, Louis-Guillaume is the last name as well as the forename. Parts of the name also exists independently as a first name Louis, and a first name Guillaume.
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| Louis-Guillaume | Canada, France |
Louis William, Ludwig Wilhelm, Luigi Guglielmo, Luis Guillermo, and Luiz Guilherme
| louis-guillaume jubert de bouville FR (b. 1677) |
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louis-guillaume otto French diplomat, FR (b. 1753) |
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| louis-guillaume minard (b. 1725) |
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| louis-guillaume pitra French playwright and librettist, FR (b. 1736) |
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| louis-guillaume de lafolie French chemist and physicist (1739-1780), FR (b. 1739) |
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louis-guillaume perreaux French motorcycle designer, FR (b. 1816) |
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| louis-guillaume ysabeau French medallist, FR (b. 1799) |
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| louis-guillaume de puibusque FR (b. 1792) |
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| louis-guillaume debock French typographer, FR (b. 1822) |
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| louis-guillaume gagnon researcher |
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| louis-guillaume piéchaud (b. 1975) |
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