Place:Mercer, Illinois, United States
Larger map
NameMercer
Alt namesMercersource: Getty Vocabulary Program
TypeCounty
Coordinates41.2°N 90.75°W
Located inIllinois, United States     (1825 - )
See alsoMadison, Illinois, United StatesParent county (source: Source:Population of States and Counties of the United States: 1790-1990)
Contained Places
Cemetery
Mann Cemetery
New Boston Cemetery
Viola Cemetery
Inhabited place
Aledo
Alexis
Arpee
Boden
Burgess
Cable
Eliza
Gilchrist
Gingle Corners
Griffin
Hamlet
Joy
Keithsburg
Mannon
Marston
Matherville
Millersburg
New Boston
New Windsor
North Henderson
Norwood
Ogle
Old Gilchrist
Orangemans Hall
Petersville
Preemption
Reynolds
Richland
Seaton
Shale City
Sherrard
Sugar Grove
Sunbeam
Swedona
Viola
Wanlock
Windsor
Township
Greene
Perryton
Unknown
Millensburg
White Eagle
source: Getty Thesaurus of Geographic Names
source: Family History Library Catalog


the text in this section is copied from an article in Wikipedia

Mercer County is a county in Illinois. According to the 2010 census, it had a population of 16,434. Its county seat is Aledo.

Mercer County is included in the Davenport-Moline-Rock Island, IA-IL Metropolitan Statistical Area.

Contents

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History

the text in this section is copied from an article in Wikipedia

Mercer County is named for Hugh Mercer (1726–1777), a physician and general during the American Revolution who died from wounds suffered at the Battle of Princeton.

In May 1812, Congress passed an act which set aside lands in Arkansas, Michigan, and Illinois as payment to volunteer soldiers in the War of 1812. Mercer County was part of this "Military Tract."

Seven years after Illinois became a state, Mercer County was founded. It was formed from unorganized territory near Pike County on January 13, 1825. Although the county had been created, its government was not organized for several years; for administration purposes it was attached first to Schuyler County (until 1826), then to Peoria (until 1831), and finally to Warren County. The organization of the county government was finally completed in 1835, after a large influx of settlers following the Black Hawk War.

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Timeline

Date Event Source
1825 County formed Source:Red Book: American State, County, and Town Sources
1830 First census Source:Population of States and Counties of the United States: 1790-1990
1830 No significant boundary changes after this year Source:Population of States and Counties of the United States: 1790-1990
1834 Land records recorded Source:Red Book: American State, County, and Town Sources
1835 Marriage records recorded Source:Red Book: American State, County, and Town Sources
1836 Court records recorded Source:Red Book: American State, County, and Town Sources
1837 Probate records recorded Source:Red Book: American State, County, and Town Sources
1877 Birth records recorded Source:Red Book: American State, County, and Town Sources
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Population History

source: Source:Population of States and Counties of the United States: 1790-1990
Census Year Population
1830 26
1840 2,352
1850 5,246
1860 15,042
1870 18,769
1880 19,502
1890 18,545
1900 20,945
1910 19,723
1920 18,800
1930 16,641
1940 17,701
1950 17,374
1960 17,149
1970 17,294
1980 19,286
1990 17,290
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Cemeteries

Cemeteries of Mercer County, Illinois, United States

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Research Tips

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External links

  • Outstanding guide to Mercer County family history and genealogy resources (FamilySearch Research Wiki). Birth, marriage, and death records, censuses, wills, deeds, county histories, cemeteries, churches, naturalizations, newspapers, libraries, and genealogical societies.
  • www.rootsweb.com/~ilmercer/
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