Roisin Dunne Ross (born 18 September 1965 in Ireland), an Irish musician. Best known for being the replacement guitarist of 7 Year Bitch, after their guitarist Stefanie Sargent died. In 1992, they toured for their debut, with Valerie Agnew, Selene Vigil-Wilk, and Elizabeth Davis, which was her signature act with the band. This was when Mia Zapata of the Gits had been raped and murdered on 7 July 1992. The band had made a tribute album to her and Sargent.