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Henry County, Illinois
Genealogy, History & Facts

Henry County, Illinois Facts

When was Henry County, IL Created?
Henry County was established on January 13, 1825.

What is the County Seat of Henry County, IL?
The County Seat is located in Oquawka (prior county seats was Richmond from 1837–1839, Geneseo was temporarily appointed to house records from 1839–1840, Morristown from 1840–1843) also, the county government website is .

What counties are adjacent to Henry County, IL?
Bordering Counties are  Whiteside CountyBureau CountyStark CountyKnox CountyMercer CountyRock Island County

Henry County, IL Census Records

What Henry County, IL census records are available?
There are many types of census records for Henry County guide you in researching your family tree. Federal Population Schedules are available for 183018401850186018701880 (free index)1890 (fragment)19001910192019301940.

Henry Co. Mortality Schedules can be found for 1850, 1860, 1870 and 1880. Henry Co. Industry and Agriculture can be obtained for 1850, 1860, 1870 and 1880. Henry Co. Union Veterans Schedules is available for 1890. One can find free online and printable census forms to help you with your research. See Also Illinois Census Records Research Guide

Henry County, IL Courthouse and Government Records

Henry County Courthouse

What genealogical records can I find in the Henry County Courthouse?
Researchers frequently overlook the great importance of Henry County court, probate, and land records data as a useful resource of ancestry and genealogy information. Buried away in Illinois courthouses and archives everywhere are the ambitions and frustrations of countless Illinois residents.

The possibilities are excellent that your forefathers have left a comprehensive document of at least a number of facets of their lives in the Henry County court records. Even if your forebears is not referred to in a Court case, contemplate all of the other procedures that could have lead to him or her to appear in court records. See Also Illinois Corthouse Records Research Guide.

Henry County, IL Societies and Family History Resources

What genealogical and historical societies, archives, museums, associations and libraries are available for Henry County, IL?
A list of Henry County Historical  and Genealogical Societies, Libraries, Archives. See also list of Statewide Illinois Archives, Historical & Genealogical Societies.

Where can I connect with other Henry County, IL Researchers through message boards and forums?

What other genealogical resources are available in Henry County, IL?
The following are web links to Genealogy, Records and Resources pertaining to Henry County. These genealogy links fall into 3 categories: Commercial Sites, Private Sites or Organization Sites. Some have free access some require a cost. This is simply a collection that has been gathered or submitted. I do not recommend or promote one genealogy site over another.

Henry Co. IL Maps, Atlases & Gazetteers

Henry Co. IL Books, Newspapers & Publications

Henry Co. IL Cemeteries & Church Records

Henry Co. IL Family Websites, Pictures & Histories

Henry Co. IL General and History Websites

Henry Co. IL Military Records