In all the world, Marchais (Marchais 
, Марше 
) is a rare female forename. The first name Marchais is characteristic of Sub-Saharan Africa, particularly Reunion, where it is quite a common girly name. Much more frequently, Marchais is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Marchais | Belgium, France, Reunion, United States, Canada |
| Марше | Russia |
| chevalier des marchais French cartographer, FR (b. 1683) |
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| gauthier marchais doctoral candidate at the London School of Economics and Political Science |
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