Arthur Douglas Hardinge of Toronto, Ont Canada was born on April 19, 1919 in Warnambool Australia to Walter James Hardinge and Elsie Ena Anyee Hardinge. Arthur Hardinge had a brother Walter Bertram Hardinge. He married Dorthy Mary Hardinge, and they had a child Walter James Hardinge. He would also marry Dorthy-Mary Hardinge, and they had children Walter James Hardinge and Douglas Maynard Hardinge. Arthur Hardinge died at age 87 years old on March 14, 2007 at Scarborough in Toronto, Toronto Division County, ON Canada.