Family name Tirzio (Tirzio 
) , in the world, is an extremely rare cognomen. The cognomen Tirzio is habitual in Latin America and the Caribbean, particularly Nicaragua, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. More frequently, Tirzio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tirzio | Nicaragua, Italy, United States, Brazil, Venezuela |