Cognomen Guillermina Mabel (Guillermina Mabel 
) , worldwide, is an extremely rare last name. The cognomen Guillermina Mabel is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More frequently, Guillermina Mabel is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Guillermina Mabel | Mexico, Argentina, Chile, Spain |