Family name Dumartheray (Dumartheray 
) , around the globe, is a rare surname. The surname Dumartheray is characteristic of Switzerland, where it is quite a rare surname, France, where it is a rare surname, and the United States, where it is an extremely rare surname. Very seldom, Dumartheray is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Dumartheray | United States, France, Switzerland, Spain |
| françois dumartheray FR (b. 1842) |
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| denis dumartheray politician |
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| ornella dumartheray Swiss badminton player, CH (b. 1985) |
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| anthony dumartheray badminton player, CH (b. 1988) |
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| charlotte dumartheray |
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