Family name Mc Manus (Mc Manus 
) , all around the world, is quite a rare last name. The last name Mc Manus is characteristic of Ireland, where it is quite a rare surname, Canada, where it is a rare surname, and New Zealand. Measured by absolute frequency, it is commonest in the United States, Ireland, and the United Kingdom. Very seldom, Mc Manus is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mc Manus | Canada, Ireland, United Kingdom, United States, Chile |