Career
Marie Therese Jane Cassidy is the state pathologist for the Republic of Ireland. Cassidy became a forensic pathologist in 1985, the first female full-time forensic pathologist in the United Kingdom. She held a professorship of forensic medicine at the University of Glasgow before moving to Ireland in 1998 to take up the position of Deputy State Pathologist.
She was appointed to the position of State Pathologist in January 2004, succeeding Professor
John Harbison to become the first female State Pathologist in Ireland. She is also Professor of Forensic Medicine at the Royal College of Surgeons of Ireland and Trinity College, Dublin.
Cassidy has also worked as a consultant for the United Nations, helping to identify the remains of victims of war-crimes in Bosnia. She has acted as a consultant to the television crime series Taggart.
A character in the book The Human Body is based on her.