Across the world, Mirtha Lilian (Mirtha Lilian 
) is a very rare female first name. The forename Mirtha Lilian is habitual in Latin America and the Caribbean, particularly Uruguay, where it is a rare feminine name, and Chile. Much less frequently, Mirtha Lilian is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Mirtha Lilian | Peru, Argentina, Chile, Uruguay |