Family name Mirgain (Mirgain 
) , across the world, is a very rare last name. The cognomen Mirgain is habitual in France, where it is a very rare surname, Germany, where it is an extremely rare surname, and the United States. Very seldom, Mirgain is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mirgain | Germany, United States, France |
| christophe mirgain (1902-1999), LU (b. 1902) |
|