Cognomen Montagh (Montagh 
) , around the globe, is an extremely rare family name. The cognomen Montagh is characteristic of Northern America, particularly the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Montagh | United States |
| ilona montagh actor (b. 1899) |
|
|
| ilona von montagh |
|