Washington County, Idaho Genealogy
Washington County Courthouse
256 East Court
Weiser, ID 83672-0670
Named for George Washington, first President of the United States of America.
20 February 1879: Washington County was created from Boise County. Cite error: Closing
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There are many cemeteries in Washington County. For a list of those that have been identified, and links to transcriptions and/or photographs of tombstones, go to Washington County, Idaho Cemetery Records.
For the cemeteries in or immediately adjacent to the cities, please see the city pages for the cities listed above.
For a summary of census records for the state of Idaho, see Idaho Census Records.
The 1890 federal census for Idaho was destroyed. However, the Idaho State Archives is creating a list of 1890 Idaho residents by indexing a variety of records, 1885-1894. This reconstructed list will substitute for the destroyed 1890 federal census. Washington County is included in this reconstructed census.
Church History and Records (Rural)
Please refer to the cities for local churches.
County Commissioners' Records
The minute books of the County Commissioners contain interesting tidbits of history about the county as well as the names of individuals appealing to the County Commissioners for action on issues of concern to them. Minutes of those meetings were recorded from the formation of the county, for most counties. Some counties now post the minutes of current meetings online.
Most of these records have been preserved in the county courthouses of the State of Idaho. Few have been microfilmed. Contact the county clerk for information about years covered and availability.
The Idaho State Archives has a collection of city, county, state and regional directories.
A Washington County History by Judge Frank Harris is available online.
- An 1895 map of Washington and surrounding counties is available online.
- A digital Washington County Idaho map is available online.
- Map of Washington County, Idaho is available online.
World War I draft registration cards, 1917-1918, for Washington County have been microfilmed. Copies of these records are available at the Family History Library (their microfilm number 1452223) and are also available online at Ancestry.com, for a subscription fee. The original cards are maintained in the Southeast Regional Archives of the National Archives and Records Administration (NARA) in East Point, Georgia and have been microfilmed by the National Archives as their Microcopy M1509.
- Upper County Reporter
- Weiser Signal - American
Copies of issues of many Idaho newspapers are found in the collections of the Idaho State Archives.
The Birth Registers for Washington County, 1907-1911, have been microfilmed and are available at the Idaho State Archives in Boise and at the Family History Library in Salt Lake City, Utah. Birth records, 1911 to present, for individuals born in Washington County are included in and recorded at the state level. These records are restricted for a period of one hundred years from the time of the individual's birth but can be obtained by following the guidelines as issued by the State of Idaho. See the Vital Records section under the subject Idaho for more details.
There are 443 births recorded in Washington County online at Idaho Births and Christenings.
Nearly 13,200 marriages, 1879-1969, are listed on the Western States Marriage Index.
There are 244 Washington County marriages listed in Idaho Marriages.
The Death Registers for Washington County, 1907-1911, have been microfilmed and are available at the Idaho State Archives in Boise and at the Family History Library in Salt Lake City. After 1911, deaths occurring in Washington County are included in the state-wide registration program. These records are restricted for a period of fifty years from the time of the individual's death but can be obtained by following the guidelines as mandated by the State of Idaho. See the Vital Records section under Idaho for details Idaho Vital Records.
Copies of death certificates from 1911-1954 are on microfilm and can be used at the Idaho State Archives in Boise, the Family History Library in Salt Lake City, Utah, BYU-Idaho University Library in Rexburg and several other locations.
A state-wide index to Idaho Deaths, 1911-1956 is available online. Efforts to expand this index to 1960 are underway. Another version is Idaho Death Index 1911-1956.
There are 474 Washington County deaths listed online at Idaho Deaths and Burials.
Societies and Libraries
Many public libraries provide internet access to sites of value to the family historian. Some have special collections of historical and cultural interest, as well. The following libraries may have some resources of value, but use of some or all of them may require a visit to the library.
- Cambridge District Library
120 N Superior St
Cambridge, ID 83610
Phone: (208) 257-3434
- Midvale District Library
70 E Bridge St
Midvale, ID 83645
Phone: (208) 355-2213
- Weiser Public Library
628 E 1st St
Weiser, ID 83672
Phone: (208) 549-1243
- The Washington County ID GenWeb Project, a member of The IDGenWeb Project, an affiliate of The USGenWeb Project.
- The USGenWeb Archives Project for Washington County.
- The USGenWeb Archives Project for Washington County. (backup site)
- FamilySearch.org Family History Library Catalog for Washington County.