Family name Mac-Arthur (Mac-Arthur 
) , all over the world, is a rare last name. The cognomen Mac-Arthur is characteristic of Ghana, where it is a rare surname, Chile, where it is a very rare surname, and Canada. Also, Mac-Arthur is the forename as well as the last name. Parts of the name also exists independently as a first name Mac, and a first name Arthur.
| VARIANT | COUNTRY |
|---|---|
| Mac-Arthur | Philippines, Canada, France, Chile, Ghana |