Cognomen Walsworth (Walsworth 
) , around the world, is a rare surname. The last name Walsworth is characteristic of the United States, where it is a rare surname, Canada, and the United Kingdom, where it is a very rare surname.
| VARIANT | COUNTRY |
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| Walsworth | New Zealand, United Kingdom, United States, France, Canada |
| maria louisa walsworth (b. 1816) |
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| minnie gow walsworth American poet (1859-1947), US (b. 1859) |
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| mike walsworth American politician, US (b. 1956) |
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| joanna pierce walsworth-bell (b. 1947) |
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| ronald l. walsworth American physicist, US (b. 1962) |
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| timothy e walsworth researcher |
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