Last name Masquelier (Masquelier 
) , across the world, is quite a rare family name. The last name Masquelier is habitual in Belgium, where it is quite a rare surname, France, and the United States, where it is a very rare surname. Much less frequently, Masquelier is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Masquelier | United Kingdom, Belgium, Spain, United States, France |
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claude-louis masquelier French engraver and lithographer (1781-1851), FR (b. 1781) |
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| louis-joseph masquelier French engraver, FR (b. 1741) |
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| nicolas françois joseph masquelier FR (b. 1760) |
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| emile masquelier Belgian lawyer and politician (1837-1901), BE (b. 1837) |
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| fernand masquelier Belgian politician, BE (b. 1885) |
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| louis masquelier FR (b. 1898) |
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| jack masquelier chemist, FR (b. 1922) |
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| odile masquelier French gardener, speaker and author specializing in old roses, FR (b. 1938) |
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louis masquelier Belgian sportsperson, BE |
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| adeline masquelier American anthropologist (b. 1960) |
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| philippe masquelier French politician, FR (b. 1967) |
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| élisabeth masquelier French politician, FR (b. 1968) |
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| frédéric masquelier French politician, FR (b. 1972) |
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| bruno masquelier researcher |
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| charles masquelier researcher |
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