Natrona County, Wyoming Genealogy

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United StatesGotoarrow.png Wyoming Gotoarrow.png Natrona County

Guide to Natrona County, Wyoming ancestry, genealogy and family history, birth records, marriage records, death records, census records, family history, and military records.

County Information


Natrona County was founded in 1890. It was named for the Natron deposits. The County Seat is Casper. It is located in the north central area of the state. [1]

County Courthouse

Natrona County Courthouse
200 North Center Street Rm 157
Casper, WY 82601
Phone: 307.235.9200
Natrona County Website

County Clerk has marriage and land records from 1888, military discharge records, power of attorney, notary and commissions tax license - state and federal. Clerk District Court has divorce, probate and court records. [2]

Natrona County, Wyoming Record Dates

Beginning Dates for Major County Records
Birth* Marriage Death* Court Land Probate Census
* For earlier dates, try... Church | Obituaries | Cemeteries

Record Loss

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

Boundary Changes

  • Parent County: created 9 March 1888 from Carbon
  • County seat: Casper [3]
For animated maps illustrating Wyoming County boundary changes, "Rotating Formation Wyoming County Boundary Maps" (1848-1965) may be viewed for free at the website.

Populated Places

The following are locations in the county:[4]

  • Allendale
  • Badwater
  • Bishop
  • Paradise Valley
  • Waltman
Unincorporated communites
Census-designated places
Ghost towns
  • Bessemer
  • Blue Hill
  • Eadsville
  • Freeland
  • Lavoye
  • Salt Creek

County Facts
County seat: Casper
Organized: March 9, 1888
Parent County(s): Carbon[5]
Neighboring Counties
Albany  • Carbon  • Converse  • Fremont  • Johnson  • Washakie
See County Maps
Natrona County Courthouse.JPG
Location Map
This page is available for adoption


Bible Records


Business, Commerce, and Occupations


Cemeteries of Natrona County, Wyoming online and in print
Tombstone Transcriptions Online
Tombstone Transcriptions in
more complete
List of Cemeteries in the County
See Wyoming Cemeteries for more information

Cemetery records often reveal birth, marriage, death, relationship, military, and religious information.

Census Records

Historical populations
Census Pop.  %±
1890 1,094
1900 1,785 63.2%
1910 4,766 167.0%
1920 14,635 207.1%
1930 24,272 65.8%
1940 23,858 −1.7%
1950 31,437 31.8%
1960 49,623 57.8%
1970 51,264 3.3%
1980 71,856 40.2%
1990 61,226 −14.8%
2000 66,533 8.7%
2010 75,450 13.4%
Source: "".

State Census Records

Federal Census Records

Federal Censuses were taken for Wyoming starting in 1850. For links to Federal census indexes, see Wyoming Census.

For tips on accessing Natrona County, Wyoming Genealogy census records online, see: Wyoming Census.

Church Records

Church records vary significantly depending on the denomination and the record keeper. They may contain information about members of the congregation, such as age, date of baptism, christening, or birth; marriage information and maiden names; and death date. For general information about Wyoming denominations, view the Wyoming Church Records wiki page.

LDS Ward and Branch Records

  • Casper Stake
    3931 W 45th St,
    Casper, Wyoming 82604

Court Records


Emigration and Immigration

Ethnic, Political, and Religious Groups

Funeral Homes



Land and Property Records

Online Land Records

Land and property records can place an ancestor in a particular location, provide economic information, and reveal family relationships. Land records include: deeds, abstracts and indexes, mortgages, leases, grants and land patents.

See Wyoming Land and Property for additional information about early Wyoming land grants. After land was transferred to private ownership, subsequent transactions were usually recorded at the county courthouse, where records are currently housed.

Local Histories

Local histories are available for Natrona County, Wyoming Genealogy. County and town histories may include biographies, church, school and government history, and military information. For more information about local histories, see the wiki page section Wyoming Local Histories.

  • History of Natrona County, Wyoming, 1888-1922. 2015. By Alfred James Mokler. Salt Lake City, Utah: Digitized by the Genealogical Society of Utah; Online at: FamilySearch Books Online;
  • The 33-mile Road of Natrona County, Wyoming: My Story. 2006. By Donna Vee Gowen. Casper, Wyoming: D.G. Johnston; Online at: FamilySearch Books Online
  • Devil's Gate : owning the land, owning the story. By Tom Rea. 2006. Norman, Oklahoma: University of Oklahoma Press; Online at: Google Books
  • Independence Rock : the great record of the desert. 1981. By Robert Spurrier Ellison. Salt Lake City, Utah: Filmed by the Genealogical Society of Utah; Online at: FamilySearch Books Online

Maps and Gazetteers



Early migration routes to and from Natrona County, Wyoming Genealogy for European and African American settlers included:

Military Records

Civil War
No known military units were raised specifically from Wyoming as it did not become a state until 1890. However men from the territories that became Wyoming fought in other units during the Civil War.

World War I

For further information see Wyoming Military Records.

Naturalization and Citizenship


Wyoming Newspapers Online

Wyoming Newspaper Catalogs

  • 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


Other Records


Probate Records

In most counties in Wyoming, probate records have been kept by the county judge. They include wills, fee books, claim registers, legacy records, inheritance records, probate ticklers, and dockets. The records are available at the county courthouse.

The FamilySearch Catalog lists films of probate records. To find the records for this county, use the Place Search for Wyoming- Natrona - Probate records.

School Records

Tax Records

Wyoming tax records complement land records and can be used to supplement the years between censuses. There may be gaps of several years in the records.

Vital Records

Vital Records consist of births, adoptions, marriages, divorces, and deaths recorded on registers, certificates, and documents. See the CDC Where to Write website for information on acquiring copies of these records.

See also How to order Wyoming Vital Records, order electronically online $ or download an application for Wyoming Birth Certificate, Marriage or Divorce Certificate, Death Certificate Applications to mail.




  • Wyoming Death Index at Wyoming State Archives — index (currently contains only A-E, it is a work in progress)


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.




County, Township and City Societies



Research Guides


  1.,_Wyoming accessed 11/11/2016
  2. The Handybook for Genealogists : United States of America, 10th ed., (Draper, UT: Everton Publishers, 2002), p. 766. Natrona County, Wyoming
  3. The Handybook for Genealogists: United States of America,10th ed. (Draper, UT:Everton Publishers, 2002).
  4. Wikipedia contributors, "Natrona County, Wyoming," in Wikipedia: the Free Encyclopedia,,_Wyoming#Communities accessed 24 November 2016.
  5. The Handybook for Genealogists: United States of America,10th ed. (Draper, UT: Everton Publishers, 2002).
  6. Jim Tompkins, "The Oregon Trail 1841-1848 Map III" in Oregon Trail Landmarks at (accessed 18 July 2011).
  7. "Oregon California Trails Association" at (accessed 18 July 2011).
  8. "The Pioneer Story: The Mormon Pioneer Trail" in The Church of Jesus Christ of Latter-day Saints at (accessed 18 July 2011).