Surname Gumucio Firenze (Gumucio Firenze 
) , throughout the world, is an extremely rare cognomen. The surname Gumucio Firenze is habitual in Latin America and the Caribbean, particularly Ecuador, where it is a very rare surname, and Chile, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Gumucio Firenze | Ecuador, Chile |