Family name Ulloa Mayorga (Ulloa Mayorga 
) , all around the world, is a very rare last name. The family name Ulloa Mayorga is characteristic of Ecuador, where it is a rare surname, Chile, where it is a very rare surname, and Spain, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ulloa Mayorga | Chile, Spain, Ecuador |