Fremont County, Wyoming Genealogy

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United States Gotoarrow.png Wyoming Gotoarrow.png Fremont County

Hand and keyboard.jpg Wyoming
Online Records

County Courthouse

Fremont County Courthouse
450 N 2nd Street
Lander, WY 82520
Phone: 307.332.2405 

County Clerk has marriage and land records from 1884,
burial and military records; Clerk Distric Court has divorce,
probate and court records[1]


Parent County

'1884--'Fremont County was created 5 March 1884 from Sweetwater County.  County seat: Lander [2]

Boundary Changes

Record Loss


Populated Places

Arapahoe Ethete Lysite Riverton
Atlantic City Fort Washakie Madden Saint Stephens
Bonneville Hudson Midvale Sand Draw
Boulder Flats Jeffrey City Milford Shoshoni
Boysen Johnstown Moneta South Pass City
Burris Kinnear Morton Sweetwater Station
Crowheart Lander Myersville (hist.) Wind River
Dubois Lost Cabin Pavillion

Neighboring Counties




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


LDS Ward and Branch Records

  • Riverton



Local Histories



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




The bulk of the probate case files from the 1880's to the 1940's have been transferred to the Wyoming State Archives in Cheyenne. Check their website for additional details.


Vital Records

Western States Marriage Index has 477 marriages listed from 23 Jul 1867 to 31 Jan 1904. The State of Wyoming did not begin gathering birth records until 1909.

Fremont County has birth records beginning 1884.

Societies and Libraries

Family History Centers

Web Sites


  1. The Handybook for Genealogists : United States of America, 10th ed., (Draper, UT: Everton Publishers, 2002), p. 766. Fremont County, Wyoming
  2. The Handybook for Genealogists: United States of America,10th ed. (Draper, UT:Everton Publishers, 2002).
  3. Jim Tompkins, "The Oregon Trail 1841-1848 Map III" in Oregon Trail Landmarks at (accessed 18 July 2011).
  4. "Oregon California Trails Association" at (accessed 18 July 2011).
  5. "The Pioneer Story: The Mormon Pioneer Trail" in The Church of Jesus Christ of Latter-day Saints at (accessed 18 July 2011).