Chosse a link below to learn more about the stated records. This page describes the type of databases that can be found Online in Illinois research.

• Illinois Census, 1810-90: This collection contains the following indexes: 1810 Randolph County Census; 1818 State Census Index; 1820 Federal Census Index; 1820 State Census Index; 1825 State Census Index; 1830 Federal Census Index; 1830 Morgan County Federal Census Index; 1835 State Census Index; 1840 Federal Census Index; 1840 State Census Index; 1840 Pensioners List; 1850 Federal Census Index; 1855 State Census Index; 1860 Federal Census Index; 1870 Federal Census Index; 1880 Cook County Census; 1890 Veterans Schedule; Early Census Index.
• Illinois Marriages to 1850: This database of Illinois marriages to 1850 contains over 155,000 names.
• Illinois Marriages, 1790-1860: This database is an index to individuals who were married in Illinois between 1790 and 1860.
• Illinois Marriages, 1851-1900: This database is an index to approximately 707,000 individuals who were married in select areas of Illinois between 1851 and 1900.
• Illinois Quaker Records: The data includes several vital records for members of these meetings. For those with Quaker ancestors in the Chicago area, this will be a helpful database.
• Illinois Servitude and Emancipation Records, 1720-1865: This database is an index of servitude records held by the Illinois State Archives. It contains the names of over 2000 persons who were bought, sold, or emancipated between 1720 and 1865.
• Illinois Public Land Purchase Records: The records in this database were transferred to the Illinois State Archives and detail the sale of over 54,000 square miles of public land.