Around the globe, Mccuaig (Mccuaig 
) is an extremely rare unknown gender given name. Predominantly, Mccuaig is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Mccuaig | Australia, New Zealand, United Kingdom, United States, Canada |
| duncan john mccuaig Canadian politician, CA (b. 1882) |
|
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| duncan fletcher mccuaig Canadian politician, CA (b. 1889) |
|