Jewish? I think her mother is an Italian gentile.
The pit bull with iron jaws slammed university presidents on anti-semitism. She also spoke in Israel:
https://www.lohud.com/story/news/politics/politics-on-the-hudson/2015/01/05/ny-has-youngest-woman-only-jewish-republican-in-congress/21303093/
https://www.npr.org/2024/05/19/1252353096/in-knesset-speech-gops-elise-stefanik-calls-for-unrestricted-u-s-war-aid-to-isra
She doesn’t giggle either.