Surname Orwin (Orwin 
) , in all the world, is quite a rare last name. The surname Orwin is habitual in Australia, where it is a rare surname, the United Kingdom, and New Zealand. Not in comparison with a country's population, it most frequently occurs in the United Kingdom, Australia, and the United States. Much less frequently, Orwin is the forename as well as the last name.
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| Orwin | Indonesia, United Kingdom, Philippines, Australia, United States |
| charles stewart orwin British agronomist (1876-1955), GB (b. 1876) |
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| gertrude alice orwin (1877-1965) (b. 1877) |
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clifford orwin Canadian academic (b. 1947) |
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| orwin c. talbott (b. 1918) |
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| joanna orwin NZ (b. 1944) |
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| john orwin English rugby union footballer, GB (b. 1954) |
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| donna tussing orwin (b. 1947) |
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| martin orwin English linguist and somalist (1963-), GB (b. 1963) |
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| charlotte orwin (b. 1963) |
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| nichole orwin researcher (nursing) |
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| kate h. orwin New Zealand ecologist, NZ |
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| marjorie orwin New Zealander who received QSM for services to the community in June 2019, NZ |
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| louise orwin British performance artist |
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| john orwin geography researcher in Australia |
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| jane orwin Peerage person ID=195790 |
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