Wisconsin Genealogy Trails
Genealogy Trails History Group - Finding Ancestors wherever their trails lead

Welcome to this
Jefferson County Wisconsin
Genealogy Trails Website

Our goal is to help you track your ancestors through time by transcribing genealogical and historical data and placing it online for the free use of all researchers

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Jefferson County was created in 1836 as part of Wisconsin Territory and organized in 1839.  It was named after Jefferson County, New York, where some of the original settlers of the county originated.

The county is bounded on the north by Dodge County, east by Waukesha, south by Walworth and Rock Counties, and West by Dane. It is four townships wide and four long, and comprehends an area five hundred and twenty-six square miles. The county seat is at Jefferson, on Rock River, at its junction with the Crawfish, and near the center of the county.   It was separated from Milwaukee County by an act of the Territorial Council, approved December 7, 1836, set off as a separate town for judicial purposes by an act, approved January 2, 1838, and polls established at the houses of Nathaniel Finch, David H. Sargent and Geo. J. Goodhue.

[Source: "The History of Jefferson County, Wisconsin..." by Western historical company, Chicago, pub. 1879]

Fort Atkinson * Jefferson (county seat) * Lake Mills * Waterloo *
Watertown (partly in Dodge County) * Whitewater (mostly in Walworth County)

Cambridge (mostly in Dane County) * Johnson Creek *
Lac La Belle (mostly in Waukesha County) * Palmyra * Sullivan *

Aztalan * Cold Spring * Concord * Farmington * Hebron * Ixonia * Jefferson * Koshkonong *
Lake Mills * Milford * Oakland * Palmyra * Sullivan * Sumner * Waterloo * Watertown

Census-designated places
Hebron * Helenville * Ixonia * Lake Koshkonong * Lake Ripley * Rome

Plus many unincorporated communites


Online Records


Census Records

Church Histories / Records

County Records

Death Records

Family Bibles and Records

History Topics

Marriage Records

Miscellaneous Data

Newspaper Gleanings

Obituaries and Death Notices

School Records

Wills/Probate Records

Website Updates:
May 2016:  birth announcement:  REETZ.  Crime news re:  SCHUENKE, BLOEDORN, and SCHLISSER, REUL; fire news stories;  obits for BEHL, JOHNSON, MARSTEN, MULBERGER.  Sicklist news:  REIBALDT.  Bossip news for SHUMACKER, MULIC.  Community news:  NIEHELSCHUETZ

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Adjacent Counties

* Rock County * Dane County * Dodge County *
Waukesha County * Walworth County *


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