Genealogy at University of Illinois University of Illinois

Washington County


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Where To Start | County Histories | Census | Atlases | Newspapers | Further Information

Where to Start

For the most up to date resources, please use the University's Online Catalog. The dewey call number for Washington County typically starts with "977.388". Some common subject headings for Warren County are:

Washington County (Ill.) --History.
Washington County (Ill.) --Biography.
Washington County (Ill.) --Genealogy.
Washington County (Ill.) --Maps.

If you have questions about using the online catalog or subject headings, please see How To use Our Library. We've provided a few areas below to start you off.

County Histories

Historical Society of Washington County, Illinois. Sesquicentennial Committee. This is Washington County; its first 150 years, 1818-1968. Nashville, Ill. 1968.
Call Number: 977.388 H62T

Portrait and biographical record of Clinton, Washington, Marion and Jefferson Counties, Illinois. Chicago, Chapman Pub. Co., 1894.
Call Number: 977.379 P8381973

Washington County, Illinois, 1979 history. Nashville, Ill., Historical Society of Washington county, c1980.
Call Number: 977.38804 W276

Winnetka, Ill. Public Library. Genealogy Projects Committee. An index to the names of persons appearing in History of Washington County, Illinois (Philadelphia, Brink McDonough & Co., 1879) Thompson, Heritage House, 1973.
Call Number: 977.388 H629INDEX


UIUC affiliates or patrons using computers on-campus can access past census data via Heritage Quest.


General Map Company, Rockford, Ill. Plat book, Washington County, Illinois. Rockford, 1952.
Call Number: Q. 912.77388 G28P

Hixson, W.W. & Co.Plat book of Washington Co., Ill. Rockford, 1939?
Call Number: Q. 912.77388 H64P1939

Ogle, George A., & Co. Standard atlas of Washington County, Illinois… Chicago, 1906.
Call Number: F. 912.77388 OG5S

Rockford Map Publishers, Rockford, IL. Atlas & plat book, Washington County, Illinois. Rockford, 1973.
Call Number: Q. 912.77388 R59TR


See how to find newspapers

Further Information

More information on can be found on our Web Resources Page as well as in the Illinois County Bibliography, which is shelved with 016.9773.

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Last Updated: July 30, 2007