Graduated from Longmeadow High School, Longmeadow, MA in 2008.
While a struggling actress she worked as a waitress at The Grey Dog in New York City.
Originally auditioned for the first season of The White Lotus (2021), before landing the role of Daphne Sullivan in the second season.
Was roommate with Jennifer Damiano, while they both appeared in Arena Stage's production of Next to Normal in late 2008. Damiano played Natalie Goodman, while Fahy was her understudy, until Damiano left the production in 2010.