Marshall County lies just south of the 46th parallel of north latitude, the proposed line of division between North and South Dakota, and west of the Sisseton and Wahpeton Indian Reservation; is bounded on the south by Day County and on the west by Brown County and is included in the Watertown U. S. Land District. Marshall County is twenty-four miles long from north to south, and twenty-four miles on its north boundary line, and thirty miles wide on its south boundary line, making an average width of twenty-seven miles. This area gives us 648 square miles or 414,720 acres of land. Although a small county, it is about one-half the size of Rhode Island.
Marshall County was originally a part of Day County. In March 1885, the legislature passed a bill to divide Day County and create Marshall County north of the township line of 124, and to be divided by a vote of the people, May 2d, 1885. The county seat was located at Britton.
- Early History of Marshall County
- Government of Marshall County
- Organization of Marshall County
- Natural History of Marshall County
- Pioneer Homes in Marshall County
- Military Reservations of Marshall County
- The Sisseton Agency
- Personal Narrative by Samuel Denton
- Sketch of Charles Bailey
- 1910 Standard Atlas of Marshall County, South Dakota
- Marshall County, SD Declaration of intentions, 1885-1942 and Naturalization Records, 1888-1944
Microfilm of original records at South State Historical Society, Pierre, South Dakota. Other courts were involved. Initially it was the United States of America, Territory of Dakota, 1st Judicial District court. Includes index at the beginning of most volumes.
History of Marshall County SD Townships
- History of Dayton Township
- History of Hickman Township
- History of Lowell Township
- History of Miller Township
- History of Newark Township
- History of Newport Township
- History of Pleasant Valley Township
- History of Sisseton Township
- History of Stena Township
- History of Victor Township
- History of White Township
- History of Waverly Township
- History of Weston Township
Settlers on Fractional Township
Geo. Unger, sec. 35; Geo. Troutner, sec. 6; Stephen Micklitch, see. 36; Joseph Dachn, sec. 29: Jno. Holbauer, sec. 26; Nicholas Hennan, sec. 23; Mathew Samson, sec. 23; Geo. Orslan, sec. 15; Arthur E. A. Scherl, sec. 10; Robt. White, sec. 11.