Sioux County, North Dakota Genealogy

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

Description
Sioux County located along the southern border of North Dakota. Its eastern border is the Missouri River. The county lies entirely within the Stan ding Rock Indian Reservation. The county was created by Governor Louis B. Hanna and named after the Native American Lakota. The county government was first organized on September 12, 1914. Fort Yates is the county seat.

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

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

Populated Places
The following are locations in the county

Biographies

 * Index to Biographies on Sioux County Archives (USGenWeb Project)
 * North Dakota State University Biography Index

Census Records

 * Index to Sioux County Census Information. Scroll down to "Census Reports." (USGenWeb Archives)

State Census Records

 * 1885 Dakota Territory 1885 Census Index at NDSU Archives – index only
 * 1885, 1915, 1925 North Dakota, Territorial and State Censuses, 1885, 1915, 1925 at Ancestry.com – ($), index and images
 * 1915 at FamilySearch Historical Records — index and images
 * 1925 at FamilySearch Historical Records — index and images

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

Ethnic, Political, and Religious Groups
Native Americans
 * Standing Rock Reservation (Genealogy Trails)

Land and Property Records
Online Land Records For more information see North Dakota Land and Property
 * Index to Sioux County BLM Land Records (USGenWeb Archives)
 * Land Patent Search - index to federal patents and homesteads on the Bureau of Land Management website, some images available
 * 1796 - 1907 - U.S. General Land Office Records, 1796-1907 at Ancestry - index, info taken from Bureau of Land Management website
 * 1861 - 1936 - U.S. Homestead Records 1861-1936 at Ancestry.com - ($), index and images

Maps and Gazetteers

 * Interactive Formation Boundary Map of North Dakota - shows boundary changes for North Dakota Counties
 * North Dakota Maps at NDGenWeb -historical maps

Military Records
Civil War World War I World War II Korean War Vietnam War
 * 1861-1865 - at FamilySearch.
 * 1890 - at FamilySearch.
 * 1917-1918 - North Dakota Military Men 1917-1918 at Ancestry ($)
 * 1917-1918 - Roster of the men and women who served in the army or naval service (including the Marine Corps) of the United States or its allies from the state of North Dakota in the World War, 1917-1918, Vols. 1-4 at Ancestry ($)
 * World War I Casualties, Sioux County, North Dakota (Genealogy Trails)
 * World War II Army Casualties, Sioux County, North Dakota (Genealogy Trails)
 * World War II Navy, Marine Corps, and Coast Guard Casualties, Sioux County, North Dakota (Genealogy Trails)
 * Korean War Casualties, Sioux County, North Dakota (Genealogy Trails)
 * Vietnam War Casualties, Sioux County, North Dakota (Genealogy Trails)
 * For further information see North Dakota Military Records.

Naturalization and Citizenship
Online Naturalization Indexes and Records
 * North Dakota Naturalization Records Index at NDSU Archives – index only, covers various dates and counties

Newspapers
 North Dakota Newspapers Online North Dakota Newspaper Catalogs
 * GenealogyBank - ($), contains images of North Dakota newspapers
 * Newspaper Archive - ($), contains images of North Dakota newspapers
 * Chronicling America - contains images of some North Dakota newspapers; searching tips
 * Elephind - Free; search engine that retrieves newspaper images from other free newspaper websites
 * U.S. Newspaper Directory, 1690-Present on Chronicling America - contains a list of all known newspapers and the dates they cover; once you locate a newspaper name, contact the local library to see if they have copies of the newspaper
 * State Historical Society of North Dakota - contains inventory and catalog of all known ND newspapers

Obituaries

 * Sioux County Obituaries and Death Notices (Genealogy Trails)

Probate Records
''Online Probate Records


 * 1800 – 1985 North Dakota and South Dakota Wills and Probate Records 1800-1985 at Ancestry.com — index and images $

Birth

 * Sioux County Birth Announcements (Genealogy Trails)

Marriage

 * Sioux County Marriage Records (Genealogy Trails)
 * Sioux County Marriage Announcements (Genealogy Trails)

Death
Online Death Indexes and Records
 * 1892-present - NDDH Public Death Index, 1892-present at North Dakota Dept. of Health – index only
 * Sioux County Obituaries and Death Notices (Genealogy Trails)

Websites

 * Sioux County, North Dakota, USGenWeb Project. May have maps, name indexes, history or other information for this county.
 * Sioux County, North Dakota, USGenWeb Archives
 * 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)
 * Sioux County, North Dakota, Genealogy and History (Genealogy Trails)