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Mercer County, Illinois
Genealogy, History & Facts

Mercer County, Illinois Facts

Mercer County

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

What is the County Seat of Mercer County, IL?
The County Seat is located in Aledo (prior county seats was New Boston from 1835–1837, Millersburg from 1837–1847, Keithsburg from 1847–1857) also, the county government website is .

What counties are adjacent to Mercer County, IL?
Bordering Counties are  Rock Island County, Henry County, Knox County, Henderson County, Warren County, Des Moines County, Iowa, Louisa County, Iowa

Mercer County, IL Vital Records

Where can find Mercer County Birth, marriage, Divorce and Death Records?
Mercer County vital records can be found at the Illinois Department of Public Health has copies of birth, marriage, divorce and death records. There is a fee for each copy requested. Please refer to the information to the Statewide Vital Records in Illinois for current fees and application process.

You can search online for Mercer County Birth, Marriage, Divorce or Death Records. You can also Order Electronically Online or can download an application for Illinois Birth CertificateMarriage CertificateDivorce CertificateDeath Certificate Applications to mail.

Mercer County, IL Census Records

What Mercer County, IL census records are available?
There are many types of census records for Mercer County guide you in researching your family tree. Federal Population Schedules are available for 1830, 1840, 1850, 1860, 1870, 1880 (free index), 1890 (fragment), 1900, 1910, 1920, 1930, 1940.

Mercer Co. Mortality Schedules can be found for 1850, 1860, 1870 and 1880. Mercer Co. Industry and Agriculture can be obtained for 1850, 1860, 1870 and 1880. Mercer 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

Mercer County, IL Courthouse and Government Records

Mercer County Courthouse

What genealogical records can I find in the Mercer County Courthouse?
Researchers frequently overlook the great importance of Mercer 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 Mercer 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.

Mercer County, IL Societies and Family History Resources

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

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

What other genealogical resources are available in Mercer County, IL?
The following are web links to Genealogy, Records and Resources pertaining to Mercer 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.

Mercer Co. IL Maps, Atlases & Gazetteers

Mercer Co. IL Books, Newspapers & Publications

Mercer Co. IL Cemeteries & Church Records

Mercer Co. IL Family Websites, Pictures & Histories

Mercer Co. IL General and History Websites

Mercer Co. IL Military Records

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