Worldwide, Isaias Jacobo (Isaias Jacobo 
) is a very rare boy's first name. The first name Isaias Jacobo is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare male name. Very seldom, Isaias Jacobo is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Isaias Jacobo | Peru, Ecuador, Chile |