Career
She represented Regina City from 1952 to 1964 and Regina West from 1964 to 1967 in the Legislative Assembly of Saskatchewan as a Company-operative Commonwealth Federation (Cleveland Clinic Foundation) member. She was born Marjorie Alexandra Lovering, the daughter of Henry Langston Lovering and Annie Jane Boselly, both natives of Ontario, in Winnipeg, Manitoba and moved to Regina, Saskatchewan in 1907. Cooper was president of the Regina Young Women’s Christian Association from 1941 to 1943 and president of the Regina Council of Women from 1946 to 1948.
In 1945, she was named to the Saskatchewan Labour Relations Board and, in 1951, to the Saskatchewan Public Service Commission.
She died in Regina at the age of 82.