Cognomen Masonn (Masonn 
) , in the world, is a very rare family name. The family name Masonn is characteristic of Australia, where it is a very rare surname, Malaysia, where it is an extremely rare surname, and the United Kingdom. Measured by absolute frequency, it is the most numerous in the United States, Australia, and the United Kingdom. Also, Masonn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Masonn | Malaysia, United Kingdom, United States, Australia |