Murphy is from Lucan, Dublin and attended the Gaiety School of Acting.
[1][2] Murphy appeared in the 2020 short film The Yellow Dress for which she won the Outstanding Achievement Award (Child/Young Actress) at the Los Angeles short film festival.
[3] She played troubled teen Vinny Doherty in Irish soap opera Fair City.
[4][5][6] In 2023, she was cast in Chris O'Dowd comedy series Small Town, Big Story.
[7] In 2025, she could be seen in a lead role in 1980s-set comedy-horror series Video Nasty.