[4] The township is named in honor of the mission school established here in 1874 by the Grey Nuns, a Roman Catholic religious institute from Montreal, Quebec, Canada.

Devils Lake's Mission Bay shares the township's name.

[1] North Dakota Highway 20 runs through the middle of the township.

As of the 2000 Census,[10] there were 1,077 people, 273 households and 231 families residing in the township.

[3] The racial makeup of the township was 84.4% American Indian or Alaska Native, 13.6% White, and 2.0% from two or more races.

12.1% of all households were made up of individuals, and 2.6% had someone living alone, who was 65 years of age or older.