Before she married Peter she was Protestant. Presumably she follows Catholicism since she was married.
She did find out in the episode "Family Goy" that she is Jewish although she doesn't practice.
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He is a Catholic, which is why his father hates his wife, because she is a Protestant.
Peter Griffin's wife's name is Lois Griffin.
Peter Griffin doesn't own a pub/bar.The bar he frequents with Joe and Glen is "The Drunken Clam"
Peter Griffin is the father in Family Guy.
To the second generation? You mean from the very start of their lineage or from the Griffin family we know from Family Guy? Peter & Lois Griffin then Meg, Chris & Stewie Griffin and the next generation.
Peter Griffin-Father, Husband, Brother