Ada County, Idaho Genealogy

United States &gt; Idaho &gt; Ada County

County Courthouse
Ada County Government

History
Ada County, Idaho was formed 22 December 1864 from Boise County. Two counties, Canyon 7 March 1891 and Elmore 7 February 1889 were formed from Ada County. Named for Ada Hobbs Riggs, first pioneer child born in the area, daughter of Henry C. and Mary E. (Lipscombe) Riggs, founder of city of Boise. Miss Riggs was married to John Riggs Coon 26 February 1884 at Caldwell, Canyon, Idaho

The county seat is Boise.

Many of the older court, land, naturalization, probate, pension, and vital records for Ada County have been microfilmed and are available at the Family History Library in Salt Lake City and at the Idaho State Historical Society's Library in Boise. Details of the county records in these respective institutions can be obtained from their online catalogs or listings. Original records of those which have been microfilmed and of more recent records are in the county courthouse in Boise.

Populated Places

 * Cities: Boise | Eagle | Garden City | Kuna | Meridan | Star


 * Unincorporated Communities: Barber | Beatty | Blacks | Blacks Creek | Boise Hills Village | Boise Junction | Cloverdale | Collister | Highlands | Hillcrest | Leone | Mora | Neal | Orchard | Owyhee | Perkins | Pleasant Valley | Regina | Sonna | South Boise | Swan Falls | Ustick | Vernon

Neighboring Counties
Boise | Canyon | Elmore | Gem | Owyhee

Web Sites

 * The Ada County ID GenWeb Project, a member of The IDGenWeb Project, an affiliate of The USGenWeb Project
 * Family History Library Catalog