Mrs. Mary Casey of Ottawa, Ontario, was the 1953 National Memorial (Silver) Cross Mother. During the national Remembrance Day ceremony in Ottawa on November 11, 1953, she laid a wreath at the base of the National War Memorial on behalf of all mothers who have lost a child in military service to Canada.

On July 14, 1942, her son, Warrant Officer Class II Raymond Francis Casey, was killed while serving with the Royal Canadian Air Force.

On March 31, 1945, a second son, Flying Officer John Joseph Casey, was killed while serving with the Royal Canadian Air Force.