| UNESCO Atlas of the World’s Languages in Danger ID | art-329 |
| 347 | |
| ISO 639-3 | art-001 | mhr |
| Glottolog Languoid Names | art-326 | Eastern Mari |
| Glottocode | art-327 | east2328 |
| Glottolog Primary Key | art-328 | 44522 |
| English | eng-000 | Eastern Mari |
| français | fra-000 | mari oriental |
| español | spa-000 | marí oriental |