Cognomen Macmurray-Tanguay (Macmurray-Tanguay 
) , worldwide, is an extremely rare last name. The last name Macmurray-Tanguay is habitual in Australia and New Zealand, particularly New Zealand, where it is a very rare surname. Parts of the name also exists independently as a last name Macmurray, and a last name Tanguay.
| VARIANT | COUNTRY |
|---|---|
| Macmurray-Tanguay | New Zealand |