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Winnebago County, Wisconsin
Genealogy, History & Facts

Winnebago County, Wisconsin Facts

When was Winnebago County, WI Created?
Winnebago County was created on January 6, 1840 from Brown CountyCalumet CountyFond du Lac County and Marquette County.

What is the County Seat of Winnebago County, WI?
The County Seat is located in Oshkosh and the county government website is

What counties are adjacent to Winnebago County, WI?
Bordering Counties are Waupaca CountyOutagamie CountyCalumet CountyFond du Lac CountyGreen Lake CountyWaushara County.

Winnebago County, WI Vital Records

Where can find Winnebago County Birth, marriage, Divorce and Death Records?
Winnebago County vital records can be found at the Wisconsin Office of Vital Records has copies of Birth, Marriage, Divorce & Death Records reported since 1907. There is a fee for each copy requested. Please refer to the information to the Statewide Vital Records in Wisconsin for current fees and application process..

You can search online for Winnebago County Birth, Marriage, Divorce or Death Records. You can also Order Electronically Online or can download an application for Wisconsin Birth CertificateMarriage CertificateDivorce CertificateDeath Certificate Application to mail.

Winnebago County, WI Census Records

What Winnebago County, WI census records are available?
There are many types of census records for Winnebago County guide you in researching your family tree. Federal Population Schedules are available for 1840 (as Wisconsin Territory), 18501860187018801890 (fragment, see below), 1900191019201930 and 1940.

Winnebago Co. Mortality Schedules can be obtained for 1850, 1860, 1870 and 1880. Winnebago Co. Industry and Agriculture can be found for 1850, 1860, 1870 and 1880. Winnebago Co. Union Veterans Schedules is available for 1890. One can find free down-loadable and also printable census forms to help you with your research.

There are Wisconsin State censuses from 1895 and 1905. Also the Wisconsin Compiled Census and Census Substitutes Index for 1820-1890. You can find free down-loadable and also printable census forms to help you with your research. See Also Wisconsin Census Records Research Guide

Winnebago County, WI Courthouse and Government Records

Winnebago County Courthouse

What genealogical records can I find in the Winnebago County Courthouse?
The below facts shows exactly what death, marriage, birth, property, wills, and court records are typically in Winnebago County.The date listed for each category of record is usually the earliest registration filed. The earliest date does not indicate that there are numerous records for that year and does not mean that all such events were actually registered.

See Also Wisconsin Courthouse Records Research Guide.

Winnebago County, WI Societies and Family History Resources

What genealogical and historical societies, archives, museums, associations and libraries are available for Winnebago County, WI?
A list of Winnebago County Historical  and Genealogical Societies, Libraries, Archives. See also list of Statewide Wisconsin Archives, Historical & Genealogical Societies.

Where can I connect with other Winnebago County, WI Researchers through message boards and forums?

What other genealogical resources are available in Winnebago County, WI?
The following are web links to Genealogy, Records and Resources pertaining to Winnebago County. Many of these genealogy links fall into 3 categories: Business oriented Sites, Personal Sites or Organization Sites. Some have free access some have to have a cost. This is just a listing which has been collected or submitted. I do not endorse or promote one genealogy site above another.

Winnebago Co. WI Books, Newspapers & Publications

Winnebago Co. WI Church & Cemeteries

Winnebago Co. WI Family Websites, Pictures & Histories

Winnebago Co. WI General and History Websites

Winnebago Co. WI Maps, Atlases & Gazetteers

Winnebago Co. WI Military Records

Winnebago Co. WI Schools & Directories