Family name Marthay (Marthay 
) , around the globe, is a rare last name. The last name Marthay is habitual in Malaysia, where it is a rare surname, Myanmar, where it is a very rare surname, and Argentina. Very seldom, Marthay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Marthay | Argentina, United States, Malaysia, South Africa, Myanmar |