Darrin McGrath was born in St. John's in 1966, son of Mary McGrath (Smart) and the late Patrick McGrath. He attended St. Bonaventure's College and Brother Rice High School, before earning a B.A. and an M.A. from Memorial University of Newfoundland. His Master's degree was partially funded through an Orville Erickson Memorial Scholarship from the Canadian Wildlife Federation and from a research grant from the Institute of Social and Economic Research at Memorial University. Since 1992 he had taught sociology at Memorial University of Newfoundland and at Sir Wilfred Grenfell College in Corner Brook. He had published several academic papers on environmental issues such as poaching, wildlife laws, and privatization of the outdoors. Darrin had been active in a number of environmental and community groups, and he was an avid outdoorsman, who enjoyed canoeing, angling, and hunting. Darrin McGrath was single and owned three beagles. He lived in St. John's.
Darrin McGrath passed away on February 20, 2022.