Cognomen Dumaresq (Dumaresq 
) , across the world, is a rare last name. The last name Dumaresq is habitual in Canada, where it is quite a rare surname, New Zealand, where it is a rare surname, and Australia. Measured by absolute frequency, it is commonest in Canada, Brazil, and Australia.
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| Dumaresq | Canada, Australia, South Africa, Brazil, United States |
| philip dumaresq Seigneur of Samarès in Jersey (b. 1637) |
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daniel dumaresq Jersey academic and priest, JE (b. 1712) |
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| elie dumaresq Seigneur of Augres (1674-1754) (b. 1674) |
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| thomas dumaresq officer in the British Royal Navy (1729-1802) (b. 1729) |
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| john dumaresq 1732 - Southampton (b. 1732) |
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william john dumaresq Anglo-Australian civil engineer in New South Wales and Queensland (1793-1868), AU (b. 1793) |
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susan frances sophia dumaresq (1832-1901) wife of Louis Hope, AU (b. 1832) |
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henry dumaresq Tasmanian cricketer and politician (1839-1924), AU (b. 1839) |
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| james dumaresq Jersey merchants (b. 1792) |
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| henry dumaresq British army officer and colonial administrator in New South Wales, Australia (1792-1838), AU (b. 1792) |
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| christiana susan dumaresq painter in New South Wales, Australia (1799–1868), AU (b. 1799) |
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| elizabeth sophia dumaresq (1801-1877) wife of Henry Dumaresq in New South Wales, Australia, GB (b. 1801) |
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| edward dumaresq surveyor in Tasmania, Australia (1802-1906), AU (b. 1802) |
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| charlotte dumaresq Australian botanical collector, who collected for Ferdinand von Mueller, GB (b. 1807) |
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| henry dumaresq British Royal Navy officer, commander in 1842 (1808-?) (b. 1808) |
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