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Washington County, Illinois
Genealogy, History & Facts

Washington County, Illinois Facts

When was Washington County, IL Created?
Washington County was established on January 2, 1818.

What is the County Seat of Washington County, IL?
The County Seat is located in Nashville (prior county seats was Covington from 1818–1831) also, the county government website is unknown .

What counties are adjacent to Washington County, IL?
Bordering Counties are  Clinton CountyMarion CountyJefferson CountyPerry CountyRandolph CountySt. Clair County

Washington County, IL Census Records

What Washington County, IL census records are available?
There are many types of census records for Washington County guide you in researching your family tree. Federal Population Schedules are available for 1820183018401850186018701880 (free index)1890 (fragment)19001910192019301940.

Washington Co. Mortality Schedules can be found for 1850, 1860, 1870 and 1880. Washington Co. Industry and Agriculture can be obtained for 1850, 1860, 1870 and 1880. Washington Co. Union Veterans Schedules is available for 1890. One can find free online and printable census forms to help you with your research. See Also Illinois Census Records Research Guide

Washington County, IL Courthouse and Government Records

Washington County Courthouse

What genealogical records can I find in the Washington County Courthouse?
Researchers frequently overlook the great importance of Washington County court, probate, and land records data as a useful resource of ancestry and genealogy information. Buried away in Illinois courthouses and archives everywhere are the ambitions and frustrations of countless Illinois residents.

The possibilities are excellent that your forefathers have left a comprehensive document of at least a number of facets of their lives in the Washington County court records. Even if your forebears is not referred to in a Court case, contemplate all of the other procedures that could have lead to him or her to appear in court records. See Also Illinois Corthouse Records Research Guide.

Washington County, IL Societies and Family History Resources

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

Where can I connect with other Washington County, IL Researchers through message boards and forums?

What other genealogical resources are available in Washington County, IL?
The following are web links to Genealogy, Records and Resources pertaining to Washington County. These genealogy links fall into 3 categories: Commercial Sites, Private Sites or Organization Sites. Some have free access some require a cost. This is simply a collection that has been gathered or submitted. I do not recommend or promote one genealogy site over another.

Washington Co. IL Maps, Atlases & Gazetteers

Washington Co. IL Books, Newspapers & Publications

Washington Co. IL Cemeteries & Church Records

Washington Co. IL Family Websites, Pictures & Histories

Washington Co. IL General and History Websites

Washington Co. IL Military Records