Globally, Duncombe (Duncombe 
) is an extremely rare boy's first name. Much more frequently, Duncombe is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Duncombe | Australia, United Kingdom, Bahamas, United States, Jamaica |
| lewis duncombe English writer and translator (1711–1730) (b. 1711) |
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| slingsby duncombe (1779-1851), GB (b. 1779) |
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| archibald charles duncombe (1894-1909) (b. 1894) |
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| sir edward duncombe, bt. Peerage person ID=547072 |
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| unknown daughter duncombe Peerage person ID=409149 |
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