All over the world, Santiago Isidro (Santiago Isidro 
) is a very rare masculine first name. The given name Santiago Isidro is habitual in Chile, where it is a very rare boy's name, and Spain. Much less frequently, Santiago Isidro is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Santiago Isidro | Costa Rica, Spain, Ecuador, Chile, Peru |