Canyon County, Idaho Genealogy

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United States > Idaho > Canyon County

Canyon County, Idaho
Map of Idaho highlighting Canyon County
Location in the state of Idaho
Map of the U.S. highlighting Idaho
Location of Idaho in the U.S.
Founded March 7, 1891
County Seat Caldwell
Canyon County CH.jpg
Address 1115 Albany Street
Caldwell, ID 83605
Phone: (208) 454-7337
Fax: (208) 454-6689
Named for: Snake River Canyon

Quick Facts

Wikipedia has more about this subject: Canyon County, Idaho

Named for the Snake River canyon forming the natural boundary with Owyhee County.

Parent County

7 March 1891: Canyon County was created from Ada and Owyhee [1]

Boundary Changes

15 March 1915: Gem County created from parts of Boise and Canyon Counties

28 February 1917: Payette County created from part of Canyon County

Record Loss


The preceding list of places includes incorporated cities and towns, unincorporated towns and communities, and place names that may have been used in family histories. Some have well-organized records and even have web sites. Some are simply social communities with no official records, but which may be referenced in small-town newspapers. The list is provided to help researchers identify localities within the county. As records or histories of these localities are identified, a page will be added for each of these place names.

This list of places in Canyon County, Idaho was compiled from the Lists of Places in Idaho in Wikipedia and from the map of Canyon County in Virtual Earth.


Many of the older court, land, naturalization, probate, pension, and vital records for Canyon County have been microfilmed and are available at the Family History Library in Salt Lake City and through their family history centers. They are also available at the Idaho State Archives in Boise. Details of the county records in these respective institutions can be obtained from their online catalogs or listings. Original records which have been microfilmed and more recent records are in the county courthouse in Caldwell[2].

Archives 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.


There are many cemeteries in Canyon County. For a list of those that have been identified, and links to transcriptions and/or photographs of tombstones, go to Canyon 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.

Church History and Records

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.

Court Records

Judgment Books


The Canyon County IDGenWeb has an interesting history.

Land and Property


Military History and Records

World War I draft registration cards, 1917-1918, for Canyon County have been microfilmed. Copies of these records are available at the Family History Library (their microfilm number 1452112) and are also available online at, 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.

Soldiers Discharge Records, 1919-1945, for Canyon County have been microfilmed and are available at both the Idaho State Archives in Boise and the Family History Library in Salt Lake City.

Miscellaneous Series

Often overlooked by the genealogist, this group of volumes may contain affidavits for citizenship, final disposition of estates, divorce decrees, and many other types of valuable documents. The content varies from county to county, year to year and from clerk to clerk. When the estate case files, civil or criminal files are not available or have been destroyed, you may find key documents recorded here. Most counties will have an index to this series and it is a must search if the information you are seeking is not found elsewhere.

Naturalization and Citizenship

Records of the naturalization of people born outside of the United States were often kept in the county courthouses of the respective counties of Idaho. One volume of Canyon County naturalization records are included in a Naturalization Index at the Idaho State Archives in Boise, available online.



Probate Records

The original probate records are maintained at the Canyon County courthouse in Caldwell, Idaho. Some of the earlier records of probate cases have been microfilmed and copies are available at the Idaho State Archives and at the Family History Library in Salt Lake City. These include:

  • Wills, 1893-1939
  • General index to probate records, 1885-1959
  • Probate records, vols. 1-5, 1895-1926


Vital Records


The Birth Registers for Canyon 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 Canyon 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.

Some Idaho births and christenings (1856-1965) are online.


Idaho marriages 1878-1898, 1903-1942 are online. The Marriage License and Certificates, books 1-13, 1892-1938 have been microfilmed and are available at the Idaho State Archives in Boise and at the Family History Library in Salt Lake City. A Marriage Register, vol. 1-2, 1907-1930 and a book of Marriage Certificates, 1895-1900 are also available on microfilm the both the State Archives and the Family History Library.

Also use the Western States Marriage Index (website) to find your Canyon County marriages. There are 7,212 marriages dating from Jun 1880 to Jun 1942 in their collection.


Death registers from 1907 to 1912 have been microfilmed by the Family History Library and are available through their loan system and at the Idaho State Archives.  Online are Idaho deaths and burials 1907-1965.

Societies, Libraries and Museums

Maintains Nampa Train Depot and Indian Creek Museum



  1. The Handybook for Genealogists: United States of America,10th ed. (Draper, UT:Everton Publishers, 2002).
  2. Idaho State Historical Society Reference Series, Number 10, Counties and County Seats, Reissued July, 1991.