Worldwide, Mirsia (Mirsia 
) is a rare girly given name. The forename Mirsia is characteristic of Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is a rare feminine name. Much less frequently, Mirsia is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Mirsia | Democratic Republic of the Congo, Peru, Honduras, Mexico, Venezuela |