Mountrail County, North Dakota Genealogy

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United StatesGotoarrow.png North Dakota Gotoarrow.png Mountrail County

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


County Facts
County seat: Stanley
Organized: January 4, 1873
Parent County(s): Buffalo (Old) [1]
Neighboring Counties
Burke  • Dunn  • McKenzie  • McLean  • Ward  • Williams
See County Maps
Location Map
North Dakota Mountrail Map.png
This page is available for adoption

County Information


The county was originally created as Mountraille County in 1873. It was re-created and organized in 1909. Its county seat is Stanley.[2]

County Courthouse

Mountrail County Courthouse
PO Box 69
Stanley, ND 58784-0069
Phone: 701.628.2915
Mountrail County Website

Clerk District Court has birth, marriage, death, divorce, probate, court and naturalization records from 1909, military discharge records from 1919 and incomplete burial records;
Register of Deeds has land records[3]

Mountrail County, North Dakota Record Dates

Beginning Dates for Major County Records
Birth* Marriage Death* Court Land Probate Census
1909 1909 1909 1909 1909 1909 1890

Record Loss

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

Boundary Changes

1873--Mountrail County was created 4 January 1873 from Buffalo (Old) County. The county was annexed to Ward County in 1891 and eliminated 30 November 1892. The county was then recreated 29 January 1909.

County seat: Stanley [1]

Populated Places

The following are locations in the county[4]

Unincorporated communites
  • Lunds Valley
  • Old Sanish
  • Alger
  • Austin
  • Banner
  • Bicker
  • Big Bend
  • Brookbank
  • Burke
  • Clearwater
  • Cottonwood
  • Crane Creek
  • Crowfoot
  • Debing
  • Egan
  • Fertile
  • Howie
  • Idaho
  • James Hill
  • Kickapoo
  • Knife River
  • Liberty
  • Lostwood
  • Lowland
  • Manitou
  • McAlmond
  • McGahan
  • Model
  • Mountrail
  • Myrtle
  • Oakland
  • Osborn
  • Osloe
  • Palermo
  • Parshall
  • Plaza
  • Powers
  • Powers Lake
  • Purcell
  • Rat Lake
  • Redmond
  • Ross
  • Shell
  • Sidonia
  • Sikes
  • Sorkness
  • Spring Coulee
  • Stave
  • Van Hook
  • Wayzetta
  • White Earth

Indian Reservation

A portion of the Fort Berthold Indian Reservation is located in Mountrail County. The remainder of the reservation is in McKenzie, Dunn, Mercer, and Ward Counties.


Bible Records


Business, Commerce, and Occupations


Cemeteries of Adams 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

Historical populations
Census Pop.  %±
1910 8,491
1920 12,140 43.0%
1930 13,544 11.6%
1940 10,482 −22.6%
1950 9,418 −10.2%
1960 10,077 7.0%
1970 8,437 −16.3%
1980 7,679 −9.0%
1990 7,021 −8.6%
2000 6,631 −5.6%
2010 7,673 15.7%
Source: "".

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

Church records can be found online, kept onsite at the church, or housed in a church archive or library. See North Dakota Church Records for more information on how to locate the 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 Mountrail County. These histories can include biographies, church, school and government history, and military information.

Maps and Gazetteers


Military Records

Online Collections

These collections are unique to North Dakota. You will find nationwide databases for military records on U.S. Military Online Genealogy Records and North Dakota Military Records.

Civil War

World War I

World War II

Korean War

Vietnam War

For further information see North Dakota Military Records.

Naturalization and Citizenship

Online Territory and State Census Indexes and Records


For more information see North Dakota Newspapers.

North Dakota Newspapers Online

North Dakota Newspaper Catalogs


Other Records


Probate Records

Probate records, including wills and estates, are at the county clerk's office. See also North Dakota Probate Records.

Online Probate Records

School Records

Tax Records

County tax records are at the county treasurer's, auditor's or clerk's office in the county courthouse. Some tax records may have been moved to the North Dakota State Archives.

Vital Records

Birth, marriage, death, and divorce records may be recorded on registers, certificates, or other documents at the county clerk's office. Many records are also being digitized and put online. See North Dakota Vital Records for more information about availability and how to access them.




Online Death Indexes and Records


Research Facilities


North Dakota State University Archives
West Building 3551 7th Avenue
N Fargo, ND 58102
Mailing Address:
NDSU Archives
Libraries NDSU Dept #2080
PO Box 6050
Fargo, ND 58108-6050
Phone: 701-231-8914
Fax: 701-231-5632

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.



Plaza Community Museum
PO Box 65
Plaza, ND 58771
Phone: 701-497-3454

Three Affiliated Tribes Museum
PO Box 147
New Town, ND 58763
Phone: 701-627-4477


Mountrail County Historical Society
PO Box 582
Stanley, ND 58784
Telephone: 701-628-2772

New Town Historical Society
PO Box 342
New Town, ND 58763-0342
Telephone: 701-627-3518


Research Guides


  1. 1.0 1.1 The Handybook for Genealogists: United States of America,10th ed. (Draper, UT:Everton Publishers, 2002).
  2. Mountrail County, North Dakota, Genealogy and History (Genealogy Trails)
  3. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Mountrail County, North Dakota. Page 525 At various libraries (WorldCat); FHL Book 973 D27e 2002.
  4. Wikipedia contributors, "Mountrail County, North Dakota," in Wikipedia: the Free Encyclopedia.