Sioux County, North Dakota Genealogy

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United StatesGotoarrow.png North Dakota Gotoarrow.png Sioux County

Guide to Sioux County, North Dakota ancestry, genealogy and family history, birth records, marriage records, death records, census records, family history, and military records.

County Information


County Courthouse

Sioux County Courthouse
300 2nd Avenue
Fort Yates, ND 58538
Phone: 701.854.3853
Sioux County Website
Clerk District Court has marriage records from 1916,
burial, divorce, probate, court and land records[1]

Sioux County, North Dakota Record Dates

Beginning Dates for Major County Records
Birth* Marriage Death* Court Land Probate Census
1902 1916 1902 1915 1915 1915 1920

Record Loss

There is no known history of courthouse disasters in this county.

Boundary Changes

1914--Sioux County was created 3 September 1914 from Standing Rock Reservation. County seat: Fort Yates [2]

Populated Places

  • Fort Yates
  • Selfridge

Indian Reservations
A portion of the Standing Rock Indian Reservation is in Sioux County. The remainder of the reservation is in Corson County, South Dakota

County Facts
Organized: September 3, 1914
County seat: Fort Yates
Parent County(s): Standing Rock Reservation. [2]
Variant Spellings:
Neighboring Counties
Adams  • Emmons  • Grant  • Morton  • Campbell (SD)  • Corson (SD)  • Perkins (SD)
See County Maps
Location Map
North Dakota Sioux Map.png

This page is available for adoption

History Timeline


Bible Records


Business, Commerce, and Occupations


Cemeteries of Sioux County, North Dakota online and in print
Tombstone Transcriptions Online
Tombstone Transcriptions in Print (Often more complete)
List of Cemeteries in the County
See North Dakota Cemeteries for more information

Census Records

State Census Records

Federal Census Records

Federal Censuses were taken for North Dakota starting in 1910. For links to Federal census indexes, see North Dakota Census.

Church Records

Court Records


Emigration and Immigration

Ethnic, Political, and Religious Groups

Funeral Homes



Land and Property Records

When the United States acquired North Dakota, most of the land became available for homesteading or purchase from the federal government. After land was transferred from the government to private owners, the registrar of deeds in each county recorded the land transactions in the form of deeds and mortgages. For more information, see North Dakota Land and Property.

Online Land Records

For more information see North Dakota Land and Property

Local Histories

Local histories, including those of the county, are available for Sioux County. These histories can include biographies, church, school and government history, and military information.

Maps and Gazetteers


Military Records

Civil War

World War I

Naturalization and Citizenship

Online Naturalization Indexes and Records


North Dakota Newspapers Online

North Dakota Newspaper Catalogs


Other Records


Probate Records

Probate records of North Dakota are at the county clerk's office.

Online Probate Records

School Records

Tax Records

Tax records are at the county treasurer's, auditor's or clerk's office, or the state archives.

Vital Records

Vital Records (birth, marriage, death, and divorce records) may be recorded on registers, certificates, or other documents at the county clerk's office.




Online Death Indexes and Records


Research Facilities


Family History Centers

Family History Centers provide one-on-one assistance and free access to premium genealogical websites. In addition, many centers have free how-to genealogy classes.





  • USGenWeb project. May have maps, name indexes, history or other information for this county. Select the state, then the county.
  • FamilySearch Catalog The FamilySearch catalog contains descriptions and access information for all genealogical materials (including books, online materials, microfilm, microfiche, and publications) in their collection. Use Historical Records to search for specific individuals in genealogical records.
  • Sioux County, North Dakota Genealogy and Family History (Linkpendium)

Research Guides


  1. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Sioux County, North Dakota. Page 526 At various libraries (WorldCat); FHL Book 973 D27e 2002.
  2. 2.0 2.1 The Handybook for Genealogists: United States of America,10th ed. (Draper, UT:Everton Publishers, 2002).