Family name Marcum (Marson 
, Marcum 
) , around the world, is a common cognomen. The cognomen Marcum is characteristic of Luxembourg, where it is quite a rare surname, the United States, and Italy. Not in comparison with a country's population, this name is the most popular in the United States, Brazil, and Italy. Much less frequently, Marcum is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Marson | Brazil, United Kingdom, United States, Philippines, Italy |
| Marcum | Brazil, United Kingdom, France, United States, Philippines |
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johnny marcum American baseball player, US (b. 1909) |
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deanna b. marcum American librarian, US (b. 1946) |
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| john marcum American racing driver, US (b. 1913) |
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| john a. marcum Africa scholar and professor of politics, US (b. 1927) |
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shaun marcum American baseball player, US (b. 1981) |
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luke marcum American pornographic actor, US (b. 1986) |
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| leo marcum American politician, US (b. 1942) |
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| tim marcum American football coach (1945-2013), US (b. 1945) |
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| art marcum American writer, US (b. 1950) |
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| justin marcum American politician, US (b. 1969) |
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| david marcum (b. 1960) |
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| carl marcum American poet, US (b. 1971) |
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| christopher l marcum researcher ORCID ID = 0000-0001-5157-8337 |
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| charles marcum college basketball player (1987–1988) Stetson |
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| diana marcum journalist |
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