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Last name Guillermo Basilio (Guillermo Basilio
) , globally, is an extremely rare cognomen. The cognomen Guillermo Basilio is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More prevalently, Guillermo Basilio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Guillermo Basilio | Peru, Ecuador, Chile, Argentina |
Saavedra, and Villamar Garcia