Cognomen Sansom (Sansom 
) , in the entire world, is quite a common last name. The last name Sansom is characteristic of Isle of Man, where it is quite a rare surname, the United Kingdom, and Australia. Measured by absolute frequency, this name is the most popular in the United Kingdom, the United States, and Australia.
| VARIANT | COUNTRY |
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| Sansom | Australia, South Africa, Canada, United Kingdom, United States |
| willem sansom (b. 1618) |
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| oliver sansom (b. 1636) |
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| martha sansom Sansom [née Fowke], Martha (1689–1736), poet, GB (b. 1689) |
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| hannah callender sansom diarist 1737–1801 (b. 1737) |
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| joseph sansom American painter, 1767-1826, US (b. 1766) |
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| samuel sansom (b. 1773) |
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arthur ernest sansom physician and anesthesiologist from Britain (b. 1838) |
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| sansom perot (b. 1794) |
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| charles sansom (b. 1826) |
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ernest william sansom Canadian politician (1890-1982), CA (b. 1890) |
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| john william sansom (b. 1834) |
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| emma sansom Alabama farmgirl noted for her bravery during the American Civil War, US (b. 1847) |
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odette sansom French resistance member (1912-1995), FR (b. 1912) |
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philip sansom British conscientious objector (1916-1999), GB (b. 1916) |
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| george sansom japanologist, GB (b. 1883) |
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