Sioux County, North Dakota Genealogy

United States North Dakota  Sioux County

Sioux County, North Dakota genealogy and family history research page. Guide to genealogy, history, and courthouse sources including birth records, marriage records, death records, census records, wills, deeds and land records, Civil War records, family histories, cemeteries, churches, tax records, newspapers, and obituaries.

County Courthouse
Clerk District Court has marriage records from 1916, burial, divorce, probate, court and land records

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

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

Populated Places
Fort Yates Selfridge

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

Neighboring Counties
Adams | Emmons | Grant | Morton | South Dakota counties: Campbell | Corson | Perkins

Census
Online Territory and State Census Indexes and 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
 * 1920
 * 1930

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

Probate
Online Probate Records


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

Death
Online Death Indexes and Records
 * 1892-present - NDDH Public Death Index, 1892-present at North Dakota Dept. of Health – index only

Web Sites

 * USGenWeb project. May have maps, name indexes, history or other information for this county. Select the state, then the county.
 * Sioux County, North Dakota Genealogy and Family History (Linkpendium)
 * Sioux County, North Dakota Genealogy and Family History (Linkpendium)