Sweetwater County, Wyoming Genealogy

United States &gt; Wyoming &gt; Sweetwater County

County Courthouse

 * County Seat 80 West Flaming Gorge Way Green River, Wyoming 82935 (307) 872-3732 Official County Website: http://www.co.sweet.wy.us/

Parent County
1867--Sweetwater County was organized 27 December 1867 as an original county. County seat: Green River 

Neighboring Counties

 * Carbon
 * Daggett County, Utah
 * Fremont
 * Lincoln
 * Moffat County, Colorado 
 * Sublette
 * Summit County, Utah
 * Uinta

Church
LDS Ward and Branch Records


 * Green River, McKinnon, Reliance, Rock Springs,Rock Springs 1st, Rock Springs 2nd, Superior and Winton.

Migration
Early migration routes to and from for European and African American settlers included:


 * South Pass
 * Green River
 * Oregon Trail 1830s to 1890s from western Missouri to Oregon City, Oregon
 * Sublette-Greenwood_Cutoff 1844 from South Pass, Wyoming to Fort Hall, Idaho
 * California Trail 1846 to 1869 from western Missouri to northern California
 * Mormon Trail 1846 to 1869 from Nauvoo, Illinois to Salt Lake City, Utah
 * Cherokee Trail 1850 from Salina, Oklahoma to Grainger/Fort Bridger, Wyoming
 * Union Pacific Railroad 1925 from Grainger, Wyoming via Boise to Portland, Oregon

Probate
The bulk of the probate case files from the 1870's to the 1940's have been transferred to the Wyoming State Archives in Cheyenne. Check their website for additional details.

Vital Records
924 marriages from 7 Jun 1870 to 25 Jun 1904 are listed on the Western States Marriage Index.

Societies and Libraries

 * Sweetwater County Historical Society 80 W. Flaming Gorge Wy. Green River 82935

Web Sites

 * USGenWeb project. May have maps, name indexes, history or other information for this county. Select the state, then the county.
 * Genealogy Trails: Sweetwater County Site. A Volunteer project dedicated to making genealogy records free to the public. Includes links to births, marriages and deaths; newspaper stories obituaries, censuses, military data, and more.