Cognomen Démarez (Démarez 
) , across the world, is a very rare family name. The last name Démarez is habitual in Western Europe, particularly France, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Démarez | France |
| olympe démarez French lawyer (1878-1964), FR (b. 1878) |
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| thierry démarez French comics artist, FR (b. 1971) |
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| alice démarez Ph.D. Université Paris V 2011 |
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Eric, Sylvain, Gaetane, Philippe, Grégory, Jérôme, Isabelle, Christophe, and Marie-Claude