Susan Marshall was born in Provo, Utah. In her early twenties, she lived in New York City where she performed with the Off Broadway rep company Light Opera of Manhattan.
She co-founded and fronted early '90s rock band The Mother Station. Signed to Warner Bros. affiliate label EastWest, the band released one record, 1994's Brand New Bag, which featured "Put the Blame on Me." In 2006, along with guitarist Teenie Hodges, Susan was selected as a touring member of Cat Power’s Memphis Rhythm Band.