Jefferson County, Idaho Genealogy

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County Courthouse
Jefferson County

Parent County
1913--Jefferson County was created 18 February 1913 from Fremont County. Named for Thomas Jefferson, 3rd U.S. President. A part of the county was taken to create Butte County 6 February 1917. County seat: Rigby

Places/Localities
The following 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 Jefferson County, Idaho was compiled from the Lists of Places in Idaho in Wikipedia and from the map of Jefferson County in Virtual Earth.

Cities
Hamer | Lewisville | Menan | Mud Lake | Rigby | Ririe | Roberts

Unincorporated Communities
Annis | Barlow | Bassett | Camas | Garfield | Grant | Hawgood | Heise | Labelle | Level | Lorenzo | Midway | Monteview | Rudy | Sage Junction | Shelton | Terreton

Neighboring Counties
Bingham | Bonneville | Butte | Clark | Fremont | Madison

Resources
Many of the older court, land, naturalization, probate, pension, and vital records for Jefferson 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 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 which have been microfilmed and more recent records are in the county courthouse in Rigby.

The Church of Jesus Christ of Latter-Day Saints (Mormons)
The following are local congregations (wards) of The Church of Jesus Christ of Latter-Day Saints which existed in Jefferson County, Idaho prior to 1950. Many of the original records of these church units are in the Historical Library in Salt Lake City. Many of the membership records covering these units from the date of their creation to about 1948 have been microfilmed and are available at the Family History Library in Salt Lake City.

Military
World War I draft registration cards, 1917-1918, for Jefferson County have been microfilmed. Copies of these records are available at the Family History Library (their microfilm number 1452216) 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.

Newspapers

 * Jefferson Star

Vital Records
There are two important indexes to deaths for this county. They are: Eastern Idaho Death Index and Idaho Death Index (1911-1956)

Web Sites

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