She worked as a nurse in hospitals run by her order in
Western Australia. In 1929, she began serving at the order's mission in north Western Australia, where she was influential in securing a hospital for
Aboriginal Australian patients with
leprosy. She cared for patients in the hospital for ten years. Mother Mary Gertrude was appointed provincial superior of her order in the North-West in 1947, and served two six-year terms. She became a member of the
Most Excellent Order of the British Empire in 1948. After her service as provincial superior, she was appointed superior of the Sisters of St. John of God convent in
Derby. == Death ==