There is no such word as mazza in reference to the Jewish religion. You might be thinking of one of the following words:
No. She's Italian.
To be Jewish can mean you either practice the Jewish religion, or are from a Jewish decent. It is both a race and a religion. Someone that is culturally Jewish may not practice the religion, but has a Jewish heritage. Likewise, people that do practice the Jewish religion do not have to be culturally Jewish, or have Jewish ancestors.
There aren't areas of the Jewish religion.
Valeria Mazza's birth name is Valeria Raquel Mazza.
Raúl Mazza died in 1948.
Jewish Institute of Religion was created in 1922.
Jewish Institute of Religion ended in 1950.
Valeria Mazza is 5'10".
Judaism ... the religion of the Jewish People ... is comprisedof a single religion, known as "Judaism".Judaism ... the religion of the Jewish People ... is comprisedof a single religion, known as "Judaism".
Rachel Joy Mazza's birth name is Rachel Joy Mazza.
Jew
Yes. Judaism is the religion. Jewish is the adjective pertaining to that religion.