In the entire world, Marttha (Marttha 
) is a very rare predominantly girly, but very seldom male first name. The forename Marttha is habitual in Bolivia, where it is a rare feminine name, Mexico, where it is an extremely rare girly name, and Nigeria. Likewise, Marttha is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Marttha | Nigeria, Thailand, Bolivia, Mexico, Colombia |