Flandreau Indian Agency (South Dakota)

Indian Tribes Associated With This Agency
Santee Sioux

History
The Flandreau Agency was established in 1873 for a group of Santee Sioux living at Flandreau, Dakota Territory. The agency was located at the head of Big Sioux River in what is now South Dakota. The agent conducted much of his business from Greenwood.

From 1879 to 1902, the Flandreau Agency was consolidated with the Santee Agency. In 1902, the agent duties were assigned to the superintendent of the Flandreau School.

During 1948-1949, Pipestone School was also under Flandreau Agency.

Agents and Appointment Dates
John P. Williamson (special) September 10, 1873, and William H. H. Wasson July 1, 1878

Records
Letters received by the Office of Indian Affairs from the Blackfeet Agency, 1873-1876, have been microfilmed by the National Archives as part of their Microcopy Number M234, Roll 235. Copies are available at the National Archives and at the Family History Library and its family history centers (their microfilm roll number 1661015).

Some of the historical records of this agency, 1880-1954, are housed in the Central Plains Regional Archives of the National Archives and Records Administration (NARA) in Kansas City, including:


 * Census records
 * A marriage register, 1900
 * Annuity payments
 * Student folders

Many other historical records are also included in the agency and school records.

Microfilm copies of ...Narrative and Statistical Reports... for the Flandreau Agency, 1907-1935, are included in National Archives Microcopy M1011, Rolls 41-42, available in the National Archives system and in the collections of the Family History Library in Salt Lake City, beginning with their microfilm numbers 1724259-1724260. Reports for some years are missing.

Annual Indian Census Rolls were taken at the Flandreau School and Agency for 1892 thru 1939. These rolls have been microfilmed by the National Archives as part of their Microcopy Number M595, rolls 105 thru 106. Copies of these records are also available at the National Archives, their Regional Archives, and at the Family History Library and its family history centers (their microfilm numbers 575797-575798). These census rolls are also available online at Ancestry.com's subscription web site.