Cognomen Mc Kinley (Mc Kinley 
) , globally, is a rare surname. The family name Mc Kinley is characteristic of Ireland, where it is quite a rare surname, Costa Rica, where it is a rare surname, and the United States. Not in comparison with a country's population, it is commonest in the United States, Ireland, and the United Kingdom. Very seldom, Mc Kinley is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mc Kinley | Philippines, Canada, United States, United Kingdom, Ireland |