Surname Mairens (Mairens 
) , all around the world, is an extremely rare family name. The cognomen Mairens is habitual in Latin America and the Caribbean, particularly Venezuela, where it is an extremely rare surname. Also, Mairens is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mairens | Venezuela |
| lina mairens holocaust victim, b. 1872-11-20, DE (b. 1872) |
|