Dr. McGrath was born in the state of Massachusetts on December 25, 1869. He attended Georgetown University for his A.B. degree in 1894 and an M.D. degree in 1895. A second M.D. degree was conferred on him by Harvard University in 1906. He served as visiting surgeon in Massachusetts for a time and then moved to the Mayo Clinic in 1909 as the Director of Experimental Surgery, Supervisor of Autopsies and Assistant Pathologist. Dr. McGrath joined the Marquette University School of Medicine in 1915 as the Director of Surgical laboratories and Professor of the Principles of Surgery. He served on the Administrative Board from 1921 to 1925. When the Administrative Board changed to the Executive Faculty he served as its secretary until he became dean. Dr. McGrath was appointed as Dean of the Medical College of Wisconsin in 1928. During his time as Dean he also assumed the position of Director of the Department of Surgery. McGrath served as Dean until 1933. Source: "Engbring, Norman H. An Anchor for the Future: a history of the Medical College of Wisconsin, 1893-1990. Medical College of Wisconsin, 1991. pps. 65-66"