Welcome to Wyoming - the Equality State

Wyoming Territory was formed July 25, 1868 primarily from Dakota Territory, with parts of Idaho and Utah Territories included. Wyoming was admitted to the Union as the 44th state July 10, 1890. 

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Until 1811, when fur traders first opened a trail through the area, Wyoming was the domain of the American Indians. Between 1825 and 1840, about 200 mountain men bartered with the Indians at rendezvous in the region. In the 1840s and 1850s, many thousands of emigrants traveling the Oregon Trail to California, Utah, and other western states passed through the North Platte and Sweetwater valleys and South Pass in central Wyoming. In the 1860s, as Indian troubles increased in the north, many emigrants preferred the more southerly Overland Trail through Bridger Pass. Read more... 

Did You Know?  

When the United States acquired Wyoming, most of the land that comprises the present state became part of the public domain. The federal government surveyed available land and began transferring much of it to private ownership through local land offices in a process called "land entry." The first land office was established at Cheyenne in 1870. Read more...

Did you know you can find your villainous Wyoming ancestors at Wyoming Blacksheep Ancestors?

Before visiting individual courthouses it is important to check the holdings of the State Archives as a considerable amount of 19th and 20th century county records have been moved to Cheyenne. The on-line website for the Archives is a valuable tool in planning your research in Wyoming. Microfilmed records in the archives may be researched with MARSS.

Research Tools

• Find which county a town is in, what town a cemetery is in, even where a postoffice or building is by using the United States Geographical Survey's Geographical Names Information System.
• David Rumsey Map Collection is a large online collection of rare, old, antique historical atlases, globes, maps, charts plus other cartographic treasures.
• The Wyoming GenWeb Project has a wealth of information and is a part of the larger USGenWeb Project. The USGenWeb Project provides internet information on every county in every state in the United States.
• Wyoming Biography Database is an index to books that contain biographical profiles of individuals from Wyoming. Maintained through the University of Wyoming, it contains over 7,317 entries.
• Wyoming Newspaper Project: This is a work in progress, there are over 721,138 full page newspaper images loaded.
• BYU Research Outline for Wyoming

Counties

Wyoming currently has 23 counties. The earliest county was created in 1867 and the last were created in 1921. Two counties were created as Carter and Pease and later had their names changed to Sweetwater and Johnson, respectively.

Extinct or Renamed Counties:
Carter | Pease

FamilySearch Historical Record Collections

An online collection containing this record is located inFamilySearch.org

A wiki article describing this collection is found at:

• Wyoming Marriages (FamilySearch Historical Records)

Things You Can Do

In order to make this wiki a better research tool, we need your help! Many tasks need to be done. You can help by: