Data Collections

Illinois Census & Voter Lists

Illinois, State Census Collection, 1825-1865 690,833
U.S. Census Reconstructed Records, 1660-1820 171,563
Illinois, Compiled Census and Census Substitutes Index, 1810-1890 47,577
Illinois Census, 1820 26,763
Illinois Census Returns, 1820 471
View all Illinois Census & Voter Lists (7)

Illinois Birth, Marriage & Death

Illinois, Deaths and Stillbirths Index, 1916-1947 2,881,376
Illinois, Marriage Index, 1860-1920 2,294,483
Web: Illinois, Select Deaths Index, 1877-1916Free 1,162,513
Illinois, Marriages, 1851-1900 659,028
Cook County, Illinois, Marriage and Death Indexes, 1833-1889 182,100
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Illinois Military

Web: Illinois, Databases of Illinois Veterans Index, 1775-1995Free 414,835
Genealogical records, Illinois, 1938-1939 1,178
Illinois Revolutionary War Veteran Burials 833
History of the Thirty-sixth Regiment Illinois Volunteers, during the War of the Rebellion 817
Patriotism of Illinois: a record of the civil and military history of the state in the War for the Union, Vols. 1-2 706
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Illinois Immigration & Travel

U.S. Naturalization Record Indexes, 1791-1992 (Indexed in World Archives Project)Free 5,823,357
Illinois, Passenger and Crew List, 1943-1963 273,301
View other Immigration & Travel collections related to Illinois. (36)

Illinois Newspapers & Publications

There are no Newspapers & Publications collections unique to Illinois.
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Illinois Pictures

There are no Pictures collections unique to Illinois.
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Illinois Schools, Directories & Church Histories

U.S., Chicago and North Western Railroad Employment Records, 1935-1970Free 1,095,646
U.S., Dutch Christian Reformed Church Membership Records, 1856-1970 210,144
Illinois, Compiled Records from Lockport Area Genealogical and Historical Society, 1811-1990FreeNew 99,767
Illinois, Order Sons of Italy in America, Lodge Records, 1925-1977 1,805
Gould's blue book for the city of St. Louis, 1913 : alphabetically arranged and classified by streets, with a list of the most 807
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Illinois Convict, Criminal, Land & Wills

Illinois, Wills and Probate Records, 1772-1999 897,125
Illinois, Public Land Purchase Records, 1813-1909 546,064
U.S., Ratified Indian Treaties and Chiefs, 1722-1869 10,048
Illinois Servitude and Emancipation Records, 1720-1865 2,055
The laws of the Northwest Territory, 1788-1800 616
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Illinois Reference, Dictionaries & Almanacs

Index to the Transactions of the Ill. State Historical Society and other publications of the Ills. State Historical Library 1,323
Illinois historical 873
The county archives of the state of Illinois 870
Collections of the Illinois State Historical Library. 662
Index to names in twenty-six volumes of Illinois records 616
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Illinois Maps, Atlases & Gazetteers

U.S., Indexed Early Land Ownership and Township Plats, 1785-1898 165,796
A gazetteer of the states of Illinois and Missouri : containing a general view of each state, a general view of their counties, 351
A gazetteer of Illinois : in three parts : containing a general view of the state, a general view of each county, and a particu 336
View other Maps, Atlases & Gazetteers collections related to Illinois. (10)

Illinois Stories, Memories & Histories

U.S., Petitions of the Jewish People's Committee, 1938 6,356
History of Illinois and her people 3,077
The winning of the West 1,736
History of the Swedes of Illinois 1,595
History of the Illinois River Valley 1,579
View all Illinois Stories, Memories & Histories (338)