Family name Mastey (Mastey 
) , in the entire world, is a rare surname. The last name Mastey is characteristic of Israel, where it is a rare surname, the United States, where it is a very rare surname, and France. Not in comparison with a country's population, it is commonest in the United States, Brazil, and Israel. Much less frequently, Mastey is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mastey | Israel, Brazil, United States, France, Nigeria |