Surname Isaias De Borja (Isaias De Borja 
) , all over the world, is an extremely rare cognomen. The surname Isaias De Borja is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Likewise, Isaias De Borja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Isaias De Borja | Chile |