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In all the world, Antonio Isaias (Antonio Isaias
) is a rare masculine first name. The first name Antonio Isaias is habitual in Latin America and the Caribbean, particularly Chile, where it is a rare boy's name, and Peru. Very seldom, Antonio Isaias is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Antonio Isaias | Spain, Ecuador, Chile, Peru, Costa Rica |