Family name Longworth (Longworth 
) , throughout the world, is quite a common surname. The cognomen Longworth is characteristic of the United Kingdom, where it is quite a rare surname, Australia, and Ireland. In absolute terms, it is the most numerous in the United States, the United Kingdom, and Australia.
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| Longworth | Canada, United Kingdom, United States, South Africa, Australia |
| roger longworth (1631-1687) (b. 1631) |
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catharine ogden longworth (1709 - 1797) (b. 1709) |
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nicholas longworth American winemaker and art collector, US (b. 1783) |
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| thomas longworth 1746 Newark, New Jersey - 1815 Newark, New Jersey (b. 1746) |
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| francis longworth Canadian politician, CA (b. 1766) |
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| francis longworth Canadian politician (1807-1883), CA (b. 1807) |
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| joseph longworth art collector, US (b. 1813) |
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| john longworth Canadian politician, CA (b. 1814) |
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nicholas longworth American politician (1869–1931), US (b. 1869) |
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isabel longworth Australian activist and dentist, AU (b. 1881) |
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william longworth Australian swimmer, Olympic athlete, AU (b. 1892) |
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| william longworth (1846-1928) mine manager and industrial entrepreneur (b. 1846) |
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| daniel longworth Daniel Longworth (1846-1913) of Carnac Iron Works, Bombay. 1913 Obituary [1] DANIEL LONGWORTH was born at Belfast on 21st October 1846. Having... (b. 1846) |
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| landon rives longworth American surgeon and pathologist (1846-1897), US (b. 1846) |
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| thomas longworth (1857-1927) mine manager and industrial entrepreneur (b. 1857) |
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