Cognomen Tadeo Fernando (Tadeo Fernando 
) , in the entire world, is an extremely rare last name. The family name Tadeo Fernando is habitual in Chile, where it is an extremely rare surname, and Spain. More prevalently, Tadeo Fernando is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tadeo Fernando | Costa Rica, Spain, Chile, Ecuador, Peru |