Born in Summerside, P.E.I., Katherine Dewar taught nursing for 22 years at the P.E.I. School of Nursing. Upon her retirement, Katherine researched and published articles on Prince Edward Island history.She authored Those Splendid Girls: The Heroic Service of PEI Nurses in the Great War, which won PEI Publication of the Year in 2014, and was shortlisted by the Atlantic Book Awards for scholarly writing. As well, she co-authored the book This Caring Place.