Last name Garay Mancilla (Garay Mancilla 
) , in the entire world, is a very rare surname. The last name Garay Mancilla is habitual in Latin America and the Caribbean, particularly Chile, where it is a rare surname, and Ecuador, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Garay Mancilla | Ecuador, Chile |