Death Index By Name: Illinois Deaths [1916-1947]. Springfield, Illinois: Illinois Dept. of Public Health, 1992. Call No. Microfiche 1153 (2nd floor Reference Desk). Also online at the Illinois State Archives.
Marriage Record Index. 4th edition. Springfield, Illinois: Illinois State Archives & Illinois State Genealogical Society, 1992. Call No. Local History Microfiche 1144 (2nd floor Reference Desk). Not comprehensive. Consult computer catalog for counties and years covered. See also the Illinois State Archives' Illinois Statewide Marrige Index, 1763-1900.
U.S. population schedules 1820-1880, 1900-1930 (complete). Entire census available on the computer through Ancestry.com and HeritageQuest in the library. Entire census on microfilm available at the Genealogy Reference Desk, 2nd floor. Soundex indexes for 1880, 1900, 1910, 1920. Printed statewide indexes 1820-1860 on census index shelves, Local History Ref 2nd floor open shelves. Many transcriptions and indexes arranged in alphabetical order by county, Call No. range: Local History Ref F547.A2 through Local History Ref F547.W8 (2nd floor open shelf).
Illinois state census. 1825, 1830, 1835, 1845 (fragmentary). Call No. Microfilm 306, reel 1.
1855. Call No. Microfilm 306. See census guide at genealogy reference desk or online for reel listing.
1865. Call No. Microfilm 305. See census guide at genealogy reference desk or online for reel listing. Note: Only heads of household are listed by name in the state census schedules.
Public Domain Sales Land Tract Record Listing. Springfield, Illinois: Illinois State Archives Division, 1984. Call No. Microfiche 623. Three sequences: alphabetical by purchaser's name for entire state; geographical by county, meridian, range, township and section; and alphabetical by purchaser's name under county. These are only the original land sales made by the federal government, and thus are largely limited to the period of early settlement and development in any given county. See also the Illinois State Archives' Public Domain Land Sale Records.
Illinois. Adjutant General. Report of the Adjutant General of the State of Illinois. Springfield, Illinois: Adjutant General, 1886. Call No. Local History Ref E505.2.I66 (2nd floor open shelf). Civil War rosters. Unindexed.
Illinois. Veterans' Commission. Honor Roll (1956). Call No. Local History Ref E181.I34 (2nd floor open shelf). Multivolume set of Ilinois veteran grave registrations organizations arranged by county (though some counties missing) and then alphabetically by cemetery. Military unit given if known. Unindexed.
Index to Compiled Service Records of Volunteer Union Soldiers Who Served in Organizations from the State of Illinois. Call No. Microfilm 547 (specify surname on call slip).
Northcott, Dennis and Thomas Brooks. Grand Army of the Republic, Department of Illinois : Transcription of the Death Rolls, 1879-1947. St. Louis, Mo. : Dennis Northcott, 2003. Call No. Local History Ref E505.3 .N67 2003 (2nd floor open shelf.).
See also the Illinois State Archives' military databases.
Illinois State Genealogical Society Quarterly. Volume 1 (1969)- . Call No. Local History Ref F536.I177 (2nd floor open shelf).
Illinois Newspaper Holdings at the Newberry Library.
Bibliography of Newberry's County Atlas Holdings for Illinois.
Adams, James N. Illinois Place Names. Springfield, Illinois: Illinois State Historical Society, 1989. Revised edition. Call No. Local History Ref F539.A3 1989 (2nd floor open shelf).
Conzen, Michael P., James R. Akerman, David T. Thackery (compilers). Illinois County Landownership Map and Atlas Bibliography and Union List. Springfield, Illinois: Illinois Board of Higher Education, 1991. Call No. Local History Ref GA421.C66 1991 (2nd floor open shelf).
Library of Congress Land Ownership Maps. Call No. Microfiche 583. For listings of Illinois maps consult Land Ownership Maps: A Checklist of Nineteenth Century United States County Maps in the Library of Congress. Washington: Library of Congress, 1967. Call No. Local History Ref Z6027.U5 U54 (2nd floor open shelf).
Maps of Illinois Counties in 1876 . . . reprinted from Illustrated Historical Atlas of the State of Illinois published by the Union Atlas Co., Chicago. Knightstown, Indiana: Mayhill, 1972. Call No. G1406.G46 1876 U5 (atlas counter, 2nd floor General Reading Room).
Consult both the computer and card catalogs under the subject headings for the county of interest. Sometimes there may also be materials listed under a subject heading for a village, town or city. For Chicago and Cook County research, consult the Chicago Genealogy Sources instruction sheet before using the catalogs.