Surname Stilwell (Stilwell 
) , in all the world, is quite a common last name. The cognomen Stilwell is habitual in Portugal, where it is quite a rare surname, the United States, and New Zealand. Not in comparison with a country's population, it is the most numerous in the United States, the United Kingdom, and Portugal.
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| Stilwell | Portugal, Canada, Australia, United States, United Kingdom |
| thomas stilwell 1644 - 1736 Godalming (b. 1644) |
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ann stilwell (1714-1782), US (b. 1714) |
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| john stilwell, of godalming 1670 - 11 Aug 1714 Witley (b. 1670) |
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| john stilwell 1694 - 1780 (b. 1694) |
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| james stilwell 1736 - 1804 (b. 1736) |
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silas moore stilwell American politician, US (b. 1800) |
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| james stilwell 1762 - 1839 (b. 1762) |
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| samuel stilwell (b. 1763) |
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thomas n. stilwell American politician, US (b. 1830) |
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mary stilwell first wife of Thomas Edison (1855-1884) (b. 1855) |
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frank stilwell American outlaw, US (b. 1856) |
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arthur stilwell American railroad executive (1859-1928), US (b. 1859) |
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joseph stilwell United States Army general (1883–1946), US (b. 1883) |
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| william henry stilwell American jurist, US (b. 1849) |
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| samuel stilwell (b. 1846) |
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