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Cognomen Mastor (Mastor
) , in the entire world, is quite a rare family name. The last name Mastor is habitual in Malaysia, where it is quite a rare surname, Morocco, where it is a rare surname, and Libya. In absolute terms, it is the most numerous in Malaysia, Morocco, and Egypt. Much less frequently, Mastor is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mastor | Egypt, Malaysia, India, Pakistan, Morocco |