Last name Mckenzie-Douglas (Mckenzie-Douglas 
) , worldwide, is an extremely rare surname. The surname Mckenzie-Douglas is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Parts of the name also exists independently as a last name Mckenzie, and a first name Douglas.
| VARIANT | COUNTRY |
|---|---|
| Mckenzie-Douglas | United States |