Surname Carswell (Carswell 
) , all around the world, is quite a common cognomen. The last name Carswell is characteristic of New Zealand, where it is quite a rare surname, Canada, and the United Kingdom. In absolute terms, it is commonest in the United States, the United Kingdom, and Canada.
| VARIANT | COUNTRY |
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| Carswell | United Kingdom, Australia, United States, Canada, New Zealand |
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robert carswell Scottish pathologist (1793–1857), GB (b. 1793) |
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| john carswell (1782-1831) (b. 1782) |
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robert carswell Canadian publisher, CA (b. 1838) |
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| edward rhodes carswell Member of Georgia House of Representatives, US (b. 1813) |
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| robert carswell (1816-1865) (b. 1816) |
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| john carswell (1819-1832) (b. 1819) |
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| janet muir carswell (1823-1899) (b. 1823) |
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| hugh carswell (born 1825) (b. 1825) |
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| james carswell Scottish railway engineer, GB (b. 1830) |
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| jane ann carswell (1830-1832) (b. 1830) |
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| reuben walker carswell Georgia militia Confederate States Army Brigadier General, US (b. 1837) |
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| carswell mcclellan (b. 1835) |
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horace s. carswell, jr. Air Force Medal of Honor recipient, US (b. 1916) |
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g. harrold carswell United States federal judge, US (b. 1919) |
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| edwin carswell (b. 1868) |
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