Family name Dumais (Dumais 
) , all over the world, is quite a common cognomen. The last name Dumais is habitual in Canada, where it is quite a rare surname, New Zealand, and France, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Canada, Indonesia, and the United States.
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| Dumais | France, Indonesia, Canada, United States, New Zealand |
| paschal dumais Canadian politician, CA (b. 1798) |
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| séverin dumais Canadian politician, CA (b. 1840) |
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| paschal dumais CA (b. 1834) |
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| pascal-horace dumais CA (b. 1837) |
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| joseph dumais CA (b. 1870) |
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nelson dumais Canadian journalist and writer, CA (b. 1944) |
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raymond dumais former Canadian Catholic bishop, CA (b. 1950) |
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| lucien dumais Canadian military personnel and spy, CA (b. 1904) |
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kathleen m. dumais American politician, US (b. 1958) |
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| eustache dumais Canadian Catholic priest, CA (b. 1909) |
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| louise dumais first Director of the Section of Physical Education and Recreation and of the Department of Physical Education and Recreation at Laval University, CA (b. 1917) |
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| roland dumais (b. 1910) |
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justin dumais Olympic diver, US (b. 1978) |
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| benoît dumais professor in the rural economy department and vice-rector at Laval University, CA (b. 1935) |
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| alfred dumais sociologist and university professor from Quebec (1936-2016), CA (b. 1936) |
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