Last name Monsieur (Senior 
, Monsieur 
, Mösyö 
) , across the world, is a common cognomen. The cognomen Monsieur is habitual in Jamaica, where it is quite a common surname, Guernsey, and Curacao (explore the name in all countries). In absolute terms, this name is the most popular in the United Kingdom, the United States, and France. Likewise, Monsieur is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Senior | United Kingdom, Egypt, United States, Ghana, France |
| Monsieur | Senegal, Belgium, Canada, United States, France |
| Mösyö | Turkey |
| mary monsieur (born 1661) (b. 1661) |
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| monsieur de julienne (b. 1686) |
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| monsieur de saint-lambert French composer, FR (b. 1700) |
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| monsieur andr'e thomas (1867-1963) (b. 1867) |
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| monsieur pierre French dancer (b. 1890) |
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| monsieur chouchani French rabbi (1895-1968), FR (b. 1895) |
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| monsieur champagne French radio host, FR (b. 1898) |
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monsieur nô French singer-songwriter and clarinetist, FR (b. 1953) |
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monsieur b. French comics artist, FR (b. 1966) |
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| monsieur pointu French musician, CA (b. 1922) |
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monsieur lune French singer, FR (b. 1975) |
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monsieur poulpe French actor, FR (b. 1981) |
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| michel monsieur French politician, FR (b. 1937) |
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monsieur nov (b. 1986) |
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| jacques monsieur Belgian arms dealer, BE (b. 1950) |
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