Throughout the world, Mackellar (Mackellar 
, ปลาทู 
) is an extremely rare boy's given name. Much more prevalently, Mackellar is the last name as well as the forename.
| duncan mackellar (born 1796) (b. 1796) |
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| duncan mackellar, junior (b. 1795) |
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| duncan elmhirst mackellar (1817-1873) (b. 1817) |
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| duncan mackellar British artist, approximately 1848-1908, GB (b. 1849) |
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| duncan mackellar researcher (ORCID 0000-0001-8217-9881) |
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| archibald mackellar Scottish trade unionist, GB |
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| duncan mackellar British Royal Navy officer, lieutenant in 1816 |
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| unknown mackellar Peerage person ID=530490 |
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