Lived and worked in Ottawa.
One of the founding members of the Canadian Women's Press Club in 1904 (now called Media Club of Canada).
Married Albert Horton in 1905, a well-known editor of Hansard; lived in Ottawa until her death in 1924.
The Margaret Graham Award was formally established in 1977 to be given to top journalism students at Carleton University and Algonquin College.
In 1992, the award was expanded to include a top student from the University of Ottawa’s Communications Department.