| Sorted by Illinois Census & Electoral Rolls | Sort by Count |
|---|---|
| Illinois, U.S., State Census Collection, 1825-1865 | 690,833 |
| U.S., Census Reconstructed Records, 1660-1820 | 171,563 |
| U.S., Indexed Early Land Ownership and Township Plats, 1785-1898 | 165,796 |
| Illinois, U.S., Compiled Census and Census Substitutes Index, 1790-1890 | 47,577 |
| Illinois Census Returns, 1820 | 471 |
| View all Illinois Census & Electoral Rolls (9) |
| Sorted by Illinois Birth, Marriage & Death, including Parish | Sort by Count |
|---|---|
| Illinois, U.S., County Marriage Records, 1800-1940 | 5,480,909 |
| U.S., Presbyterian Church Records, 1701-1970 | 4,566,787 |
| U.S., Evangelical Lutheran Church in America, Swedish American Church Records, 1800-1947 | 3,655,095 |
| Illinois, U.S., Deaths and Stillbirths Index, 1916-1947 | 2,881,376 |
| Illinois, U.S., Marriage Index, 1860-1920 | 2,294,483 |
| View all Illinois Birth, Marriage & Death, including Parish (40) |
| Sorted by Illinois Immigration & Emigration | Sort by Count |
|---|---|
| Illinois, U.S., Federal Naturalization Records, 1856-1991 | 7,260,800 |
| U.S., Naturalization Record Indexes, 1791-1992 (Indexed in World Archives Project)Free | 5,810,303 |
| Northern District, Illinois, U.S., Naturalization Index, 1926-1979 | 550,929 |
| Chicago, Illinois, U.S., Arriving Passenger and Crew Lists of Airplanes 1943-1963 | 273,301 |
| View other Immigration & Emigration collections related to Illinois (47) |
| Sorted by Illinois Newspapers & Publications | Sort by Count |
|---|---|
| Illinois, U.S., Newspapers.com™ Stories and Events Index, 1800's-current | 767,579,474 |
| Genealogical material collected by the Illinois D.A.R. : presented to Newberry Library | 130 |
| View other Newspapers & Publications collections related to Illinois (104) |
| Sorted by Illinois Pictures | Sort by Count |
|---|---|
| There are no Pictures collections unique to Illinois | |
| View other Pictures collections related to Illinois (16) |
| Sorted by Illinois Schools, Directories & Church Histories | Sort by Count |
|---|---|
| U.S., Chicago and North Western Railroad Employment Records, 1935-1970Free | 1,095,637 |
| U.S., Selected States Dutch Reformed Church Membership Records, 1701-1995 | 465,389 |
| U.S., Dutch Christian Reformed Church Membership Records, 1856-1970 | 210,143 |
| Illinois, U.S., Compiled Records from Lockport Area Genealogical and Historical Society, 1811-1990Free | 99,767 |
| U.S., Dutch Christian Reformed Church Vital Records, 1856-1970 | 52,945 |
| View all Illinois Schools, Directories & Church Histories (31) |
| Sorted by Illinois Court, Land, Wills & Financial | Sort by Count |
|---|---|
| Illinois, U.S., Wills and Probate Records, 1772-1999 | 1,707,962 |
| Illinois, U.S., Public Land Purchase Records, 1813-1909 | 546,064 |
| U.S., Census Reconstructed Records, 1660-1820 | 171,563 |
| U.S., Indexed Early Land Ownership and Township Plats, 1785-1898 | 165,796 |
| U.S., Homestead Records, 1863-1908 | 107,521 |
| View all Illinois Court, Land, Wills & Financial (24) |
| Sorted by Illinois Dictionaries, Encyclopedias & Reference | Sort by Count |
|---|---|
| Index to the Transactions of the Ill. State Historical Society and other publications of the Ills. State Historical Library | 1,323 |
| The county archives of the state of Illinois | 870 |
| Gould's blue book for the city of St. Louis, 1913 | 807 |
| Collections of the Illinois State Historical Library. | 662 |
| Index to names in twenty-six volumes of Illinois records | 616 |
| View all Illinois Dictionaries, Encyclopedias & Reference (19) |
| Sorted by Illinois Maps, Atlases & Gazetteers | Sort by Count |
|---|---|
| U.S., Indexed Early Land Ownership and Township Plats, 1785-1898 | 165,796 |
| A gazetteer of the states of Illinois and Missouri | 351 |
| A gazetteer of Illinois | 336 |
| View other Maps, Atlases & Gazetteers collections related to Illinois (12) |
| Sorted by Illinois Stories, Memories & Histories | Sort by Count |
|---|---|
| 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 |
| A compendium of Freemasonry in Illinois | 1,526 |
| View all Illinois Stories, Memories & Histories (388) |