Surname Mc Namara (Mc Namara 
) , around the world, is quite a rare last name. The cognomen Mc Namara is characteristic of Ireland, where it is quite a common surname, Canada, where it is a rare surname, and Austria. Not in comparison with a country's population, it most frequently occurs in the United States, Ireland, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Mc Namara | Australia, Canada, Ireland, United Kingdom, United States |