Surname Mc Donnell (Mc Donnell 
) , in all the world, is quite a rare last name. The surname Mc Donnell is habitual in Ireland, where it is quite a common surname, the United Kingdom, where it is a rare surname, and Afghanistan. In absolute terms, it is the most numerous in Ireland, the United States, and the United Kingdom. Much less frequently, Mc Donnell is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mc Donnell | United Kingdom, Ireland, Australia, Afghanistan, United States |