Cavalier County, North Dakota Genealogy

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United States
North Dakota
Cavalier County

Guide to Cavalier 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: Langdon
Organized: January 4, 1873
Parent County(s): Pembina [1]
Neighboring Counties
Pembina  • Ramsey  • Towner  • Walsh  • Manitoba, Canada
See County Maps
Cavalier County Courthouse, Langdon, North Dakota.jpg
Location Map
North Dakota Cavalier Map.png
This page is available for adoption

County Information


Cavalier County was for Charles Cavileer, a well known fur trader, customs agent and postmaster. The county seat is Langdon.[2]The county was organized on July 8, 1884 [3]

County Courthouse

Cavalier County Courthouse
901 3rd Street
Langdon, ND 58249-2457
Phone: 701.256.2124
Cavalier County Website
District Court Clerk  has marriage, probate and court records from 1881, and divorce records from 1888; Register of Deeds  has land records.[4]

Cavalier County, North Dakota Record Dates

Beginning Dates for Major County Records
Birth* Marriage Death* Court Land Probate Census
1884 1887 1884 1873 1873 1873 1890

Record Loss

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

Boundary Changes

1873--Cavalier County was created 4 January 1873 from Pembina County.
County seat: Langdon [1]

Populated Places

The following are locations in the county:[5]

Unincorporated communites
Census-designated places
  • Alma
  • Banner
  • Billings
  • Bruce
  • Byron
  • Cypress
  • Dresden
  • Easby
  • East Alma
  • Elgin
  • Fremont
  • Glenila
  • Gordon
  • Grey
  • Harvey
  • Hay
  • Henderson
  • Hope
  • Huron
  • Langdon
  • Linden
  • Loam
  • Manilla
  • Minto
  • Montrose
  • Moscow
  • Mount Carmel
  • Nekoma
  • North Loma
  • North Olga
  • Osford
  • Osnabrock
  • Perry
  • Seivert
  • South Dresden
  • South Olga
  • Storlie
  • Trier
  • Waterloo
  • West Hope

See also


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.  %±
1890 6,471
1900 12,580 94.4%
1910 15,659 24.5%
1920 15,555 −0.7%
1930 14,554 −6.4%
1940 13,923 −4.3%
1950 11,840 −15.0%
1960 10,064 −15.0%
1970 8,213 −18.4%
1980 7,636 −7.0%
1990 6,064 −20.6%
2000 4,831 −20.3%
2010 3,993 −17.3%
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.


  • Records of Zion Lutheran Church, Cavalier County, in Evangelical Lutheran Church in America database at ($).

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 Cavalier County. These histories can include biographies, church, school and government history, and military information.

  • Memories of a county agent : Cavalier County, N.D., 1928-34, Emmons County, N.D., 1934-59, 32 years. 2015. Salt Lake City. Digitized by the Genealogical Society of Utah;
  • Our heritage Nekoma, North Dakota 1905-1980 : Nekoma - a Chippewa word - meaning "I promise to go somewhere" or "I promise to do something." 1980. Langdon, North Dakota. The Printer;

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

Vietnam War

For further information see North Dakota Military Records.

Naturalization and Citizenship

Online Naturalization 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.




Cavalier County Historical Society
10123 95th Street NE
Langdon, ND 58249
Telephone: 701-256-3342


Research Guides


  1. 1.0 1.1 The Handybook for Genealogists: United States of America,10th ed. (Draper, UT:Everton Publishers, 2002).
  2. Genealogy Trails: Cavalier County, North Dakota Genealogy and History
  3. Cavalier County, North Dakota in Wikipedia: the Free Encyclopedia
  4. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Cavalier County, North Dakota. Page 522 At various libraries (WorldCat); FHL Book 973 D27e 2002.
  5. Wikipedia contributors, "Cavalier County, North Dakota" in Wikipedia: the Free Encyclopedia.