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Surname Erath (Erath
) , in all the world, is quite a rare cognomen. The last name Erath is characteristic of Western Europe, particularly Austria, where it is quite a rare surname, Germany, and Switzerland, where it is a rare surname. Measured by absolute frequency, the name is most common in Germany, Austria, and the United States. Very seldom, Erath is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Erath | Switzerland, France, Austria, United States, Germany |