Well, to make a long story short, Rachel Bloom is Jewish!
Since Rachel Bloom's mother is Jewish, and in Judaism one's religion is based on one's mother's religion, then that makes her also Jewish. Her father is Jewish too.
Rachel Bloom (whose full birth name is Rachel Leah Bloom) was born on April 3, 1987 in Los Angeles County, California.
Bloom is best known for co-creating and starring as Rebecca Bunch in The CW musical comedy-drama series Crazy Ex-Girlfriend (2015–2019), for which she received numerous accolades, including a Golden Globe Award, a TCA Award, a Critics' Choice Television Award, and a Primetime Emmy Award.
If you see any details that require update, please Let us know!