Mary Beacock Fryer, a descendant of loyalist families herself, was born in the loyalist city of Brockville, Ontario. Educated there and at the University of Toronto, she holds an M.A. in historical geography from Edinburgh University. Her other publications include Caleb Seaman, a Loyalist (1971), Escape, Adventures of a Loyalist Family (1976), A Pictorial History of the Thousand Islands (1977), with A.G. Ten Cate, A Pictorial History of the Rideau Waterway (1981) again with A.G.

Ten Cate, King's Men (1980), Buckskin Pimpernel (1981), and Rolls of the Provincial (Loyalist) Corps (1981). She is currently an editor for the forthcoming Loyal She Remains .