A native of Dundee, Marion studied music and worked for many years as a piano teacher and jobbing accompanist. Early writing success saw her winning first prize in a Family Circle magazine short story competition and subsequently writing for her local newspaper. Now a full-time writer, Marion lives in North-east Fife, overlooking the River Tay. Her first novel, See Them Run, is shortlisted for the Bloody Scotland Scottish Crime Debut of the Year 2020 prize. Marion is the author of the DI Clare Mackay series.