Last name Collom (Collom 
) , in the world, is quite a rare family name. The cognomen Collom is characteristic of Bahrain, where it is a rare surname, Sri Lanka, and the United States. Not in comparison with a country's population, it is commonest in the United States, Sri Lanka, and the United Kingdom.
| VARIANT | COUNTRY |
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| Collom | United Kingdom, Sri Lanka, Australia, United States, Canada |
| rose e. collom American botanist (1870-1956), US (b. 1870) |
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jack collom American writer, US (b. 1931) |
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| christopher collom researcher (ORCID 0000-0002-4210-2510) |
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| james collom Peerage person ID=396977 |
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| percy wilbur collom, jr. Peerage person ID=207433 |
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| harriet philips collom (died 1898) |
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| jennifer collom researcher (ORCID 0000-0002-3897-3719) |
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