Jefferson County, IowaEdit This Page

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United States Gotoarrow.png Iowa Gotoarrow.png Jefferson County

Guide to Jefferson County, Iowa ancestry, family history, and genealogy birth records, marriage records, death records, census records, family history, and military records.

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Online Records

Jefferson County, Iowa
Map of Iowa highlighting Jefferson County
Location in the state of Iowa
Map of the U.S. highlighting Iowa
Location of Iowa in the U.S.
Founded January 21, 1839
County Seat Fairfield


County Courthouse


Parent County

1839--Jefferson County was created 21 January 1839 from Henry County and unorganized territory.
County seat:  Fairfield [1]

Boundary Changes

For animated maps illustrating Iowa County boundary changes, "Rotating Formation Iowa County Boundary Maps" (1816-1872) may be viewed for free at the website.


Record Loss

For a list of record loss in Iowa Counties see: Iowa Counties with Burned Courthouses


Town/city records in the FamilySearch Catalog

Populated Places

Neighboring Counties

Davis • Henry • Keokuk • Van Buren • Wapello • Washington

Jefferson CountyHenry CountyLee CountyVan Buren CountyDavis CountyWapello CountyMahaska CountyKeokuk CountyWashington CountyLouisa CountyDes Moines CountyAppanoose CountyMonroe CountyPoweshiek CountyIowa CountyJohnson CountyMuscatine CountyClark CountyScotland CountySchuyler CountyPutnam CountyAdair CountyHancock CountyIAJefferson.JPG




Most church records are held by individual churches. For contact information, check a phone directory, such as SearchBug or Dex Knows. Some denominations are gathering their records into a central repository. For more information about these major repositories, see Iowa Church Records.



Land and property records can place an ancestor in a particular location, provide economic information, and reveal family relationships. Land records include: deeds, abstracts and indexes, mortgages, leases, grants and land patents.

See Iowa Land and Property for additional information about early Iowa land grants. After land was transferred to private ownership, subsequent transactions were usually recorded at the county courthouse, where records are currently housed.

Local Histories 

Local histories are available for Jefferson County, Iowa. County histories may include biographies, church, school and government history, and military information. For more information about local histories, see the wiki page section Iowa Local Histories.



Civil War

Regiments. Service men in Jefferson County, Iowa served in various regiments. Men often joined a company (within a regiment) that originated in their county. Listed below are companies that were specifically formed in Jefferson County, Iowa:

- 3rd Regiment, Iowa Cavalry, Companies F and H
- 17th Regiment, Iowa Infantry, Companies D and I
- 19th Regiment, Iowa Infantry, Companies B and D
- 30th Regiment, Iowa Infantry, Companies G and H
- 45th Regiment, Iowa Infantry (100 days, 1864), Company I
- 17th Regiment, Iowa Infantry, Company D
:- 17th Regiment, Iowa Infantry, Company I
:- 19th Regiment, Iowa Infantry, Company B
:- 19th Regiment, Iowa Infantry, Company D
:- 2nd Regiment, Iowa Infantry, Company E
:- 30th Regiment, Iowa Infantry, Company G
:- 30th Regiment, Iowa Infantry, Company H
:- 3rd Regiment, Iowa Cavalry, Company F
:- 3rd Regiment, Iowa Cavalry, Company H
:- 45th Regiment, Iowa Infantry (100 days, 1864), Company I


Wikipedia has more about this subject: List of online newspaper archives ($) has a large collection of digitized Iowa newspapers online. This database is sometimes free at libraries.

  • The Fairfield Daily Ledger.1939. Fairfield, IA, USA. Online at: ($)


In most counties in Iowa, probate records have been kept by the county judge. They include wills, fee books, claim registers, legacy records, inheritance records, probate ticklers, and dockets. The records are available at the county courthouse.

The FamilySearch Catalog lists films of probate records. To find the records for this county, use the Place Search for Iowa - Jefferson - Probate records.

Baird, Verda J. Jefferson County, Iowa, Guardianship Index, 1839 thru 1892. Des Moines: Iowa Genealogical Society, 1983.


Iowa tax records complement land records and can be used to supplement the years between censuses. Tax lists were usually made every year, however, there may be gaps of several years. For more information, see the wiki page Iowa Taxation.

Vital Records

Vital Records consist of births, adoptions, marriages, divorces, and deaths recorded on registers, certificates, and documents. A copy or an extract of most original records can be purchased from the Iowa Department of Public Health or the County Clerk's office of the county where the event occurred. See also How to order Iowa Vital Records or order electronically online..

Societies and Libraries

See also a List of Iowa Archives, Libraries, Publications, Historical & Genealogical Societies

Family History Centers