Idaho, United States Genealogy
|ID News and Events|
|Events of interest to family historians is available on the Events Page.|
Click on the county name to go to a county page.
Extinct or Renamed Counties:
Origin of Idaho
Idaho began as part of Oregon Territory. The counties in the panhandle became part of the Washington Territory in 1853. It became a separate territory in 1863, then encompassing most of what became Idaho, Montana, and Wyoming. Idaho was the 43rd state admitted to the Union, which occurred 3 July 1890.
Did you know
Obtain additional help
Help with the Idaho Wiki pages
In order to make this wiki a better research tool, we need your help! Many tasks need willing volunteers. You can help:
- Idaho State Historical Society Reference Series, "Counties Which No Longer Exist", Number 11 available online
- The Evolution of Washington Counties by Newton Carl Abbott, Fred E. Carver, 1979. Published by the Yakima Valley Genealogical Society and Klickitat County Genealogical Society.
- Arlene H. Eakle, "Have you searched and searched for a marriage without finding it?" in Genealogy Blog at http://www.arleneeakle.com/wordpress/2007/02/19/have-you-searched-and-searched-for-the-marriage-without-finding-it/ (accessed 8 January 2011).