In 1892, Roche ran unsuccessfully for a seat in the Manitoba assembly. He was Secretary of State for External Affairs from 1911 to 1912. He also served as Minister of the Interior (1912–1917), Minister of Mines (1912–1913), and Superintendent-General of Indian Affairs (1912–1917).
1The department was eliminated in 1993 when the government was reorganized. The position of Secretary of State for Canada was not legally eliminated until 1996 when its remaining responsibilities were assigned to other cabinet positions and departments, particularly the newly created position of Minister of Canadian Heritage.
1The offices of Minister of Immigration and Colonization, Minister of the Interior, Minister of Mines and Superintendent-General of Indian Affairs were abolished and the office of Minister of Mines and Resources was created and came in force on December 1, 1936.