According to her Officer Declaration Papers, dated March 4, 1917 at Base Hospital, Toronto, Gertrude Louise Edgar of Mimico Beach was born on January 17, 1888 in Toronto. She listed her mother Letitia Edgar, Mimico Beach, as her next of kin. She was a Graduate Nurse and a member of the Church of England.
She was the sister of Gordon Edgar who also enlisted.
She was a member of Canada's Nursing Sisters.