Throughout the world, Macdiarmid (Macdiarmid 
, Макдиармид 
) is an extremely rare unknown gender first name. Much more frequently, Macdiarmid is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Macdiarmid | United Kingdom, Kenya, Australia, United States, Canada |
| Макдиармид | Kyrgyzstan |
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findlay george macdiarmid Canadian politician, CA (b. 1869) |
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| duncan macdiarmid (1928–2006) (b. 1928) |
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| roy a. macdiarmid (b. 1933) |
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| disappearance of sarah macdiarmid disappearance of Scottish-Australian woman (b. 1966) |
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| roy a. macdiarmid author of 1959 thesis (Ph.D.) at Stanford University titled, Geology and ore deposits of the Bristol silver mine, Pioche, Nevada |
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| ewen macdiarmid minister in the Church of Scotland, GB |
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