Family name Marrius (Marrius 
) , in all the world, is a very rare surname. The cognomen Marrius is habitual in Malaysia, where it is a very rare surname, Spain, and the United States, where it is an extremely rare surname. More frequently, Marrius is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Marrius | Romania, Spain, Malaysia, United States, Myanmar |