Cognomen Mc-Lean (Mc-Lean 
) , all around the world, is a very rare last name. The cognomen Mc-Lean is characteristic of Chile, where it is a rare surname, Canada, where it is an extremely rare surname, and the United Kingdom. Very seldom, Mc-Lean is the forename as well as the last name. Parts of the name also exists independently as a last name Lean.
| VARIANT | COUNTRY |
|---|---|
| Mc-Lean | Canada, Philippines, Spain, Chile, United States |