Cognomen Helliwell (Helliwell 
) , across the world, is quite a rare last name. The surname Helliwell is habitual in the United Kingdom, where it is quite a rare surname, Cyprus, and New Zealand. In absolute terms, it is the most numerous in the United Kingdom, the United States, and Australia.
| VARIANT | COUNTRY |
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| Helliwell | United Kingdom, Canada, Australia, New Zealand, United States |
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doris gwendoline helliwell English-born concert pianist, ZA (b. 1895) |
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| arthur l. helliwell American politician – Minnesota -House 1903-04 (District 41), US (b. 1870) |
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john f. helliwell Canadian economist, CA (b. 1937) |
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john helliwell British musician, GB (b. 1945) |
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dave helliwell British association football player (1948-2003), GB (b. 1948) |
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| sid helliwell English footballer (1904-1939), GB (b. 1904) |
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| paul helliwell American intelligence analyst (b. 1915) |
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| robert helliwell American electrical engineer, radio scientist, US (b. 1920) |
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| john brian helliwell British mathematician (b. 1924) |
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wayne helliwell American racecar driver, US (b. 1977) |
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| donald geoffrey helliwell victim of the COVID-19 pandemic (1934-2020), US (b. 1934) |
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| david helliwell Canadian rower, CA (b. 1935) |
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| philip helliwell British rheumatologist and researcher (b. 1947) |
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| wendy helliwell Canadian rower, CA (b. 1950) |
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| tanis helliwell (b. 1949) |
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