In the world, Macnaughton (Macnaughton 
) is an extremely rare boy's given name. Much more frequently, Macnaughton is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Macnaughton | Canada, Madagascar, Australia, United States, United Kingdom |
| duncan macnaughton Scottish lawyer and astronomer (1892-1973) (b. 1892) |
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| lewis winslow macnaughton researcher |
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| wallace k macnaughton researcher |
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