Cognomen Маи-Оол (Маи-Оол 
) , globally, is an extremely rare family name. Much more frequently, Маи-Оол is the forename as well as the last name. Parts of the name also exists independently as a last name Маи, and a first name Оол.
| VARIANT | COUNTRY |
|---|---|
| Маи-Оол | Russia |