Family name Mahill (Mahill 
) , around the globe, is a very rare surname. The last name Mahill is characteristic of the United Kingdom, where it is a very rare surname, Canada, where it is an extremely rare surname, and the United States. In absolute terms, the name is most common in the United States, China, and the United Kingdom. Very seldom, Mahill is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mahill | Canada, United Kingdom, United States, India, China |