Worldwide, Grigsby (Grigsby 
) is a very rare masculine given name. The forename Grigsby is characteristic of the United States, where it is an extremely rare male name, and China. Much more prevalently, Grigsby is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Grigsby | United Kingdom, Liberia, United States, Australia, Canada |
| lewis grigsby (b. 1867) |
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| snow flake grigsby 1899-1981 , civil rights advocate and trade unionist, US (b. 1899) |
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boomer grigsby American football player, US (b. 1981) |
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| kolter b grigsby researcher |
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| riley grigsby college basketball player (2019–2020) Seattle |
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| roy grigsby college basketball player (2020–2020) Northern Colorado |
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