New Horizons Genealogy

"Specializing in New England and New York Colonial American Ancestry"


Search Free Illinois Genealogy Records Online

Search Free Illinois Genealogy and Family History Records Online including census, cemetery, vital, military and other genealogical and historical records that can be used for your family history research.

Our Illinois genealogy and family history page is a place where you can come in and research your genealogy and family history. We also do our best to provide a history of the area, to provide you with an overview of the time in which your ancestors lived.

We regret that we are unable to do personal research for you. All genealogical and family history records we come across are being added to this website. Please keep checking back.


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Illinois Genealogy Records Online

Illinois Census Records Illinois Cemeteries

Illinois Maps

Illinois Military Records Illinois Vital Records

Illinois Genealogy by County

CountyDate of InformationParent CountyCounty Seat
Adams County1825PikeQuincy
Alexander County1819UnionCairo
Bond County1818MadisonGreenville
Boone County1836WinnebagoBelvidere
Brown County1837SchuylerMount Sterling
Bureau County1837PutnamPrinceton
Calhoun County1825PikeHardin
Carroll County1839Jo DaviessMount Carroll
Cass County1837MorganVirginia
Champaign County1833VermilionUrbana
Christian County1839Dane (Montgomery, Sangamon, Shelby)Taylorville
Clark County1819CrawfordMarshall
Clay County1824Crawford, Fayette, WayneLouisville
Clinton County1824Bond, WashingtonCarlyle
Coles County1830Clark, EdgarCharleston
Cook County1831PutnamChicago
Crawford County1816 *Edwards (IT)Robinson
Cumberland County1843ColesToledo
Dane County1839Montgomery, Sangamon, ShelbyExtinct-1840
DeKalb County1837KaneSycamore
DeWitt County1839Macon, McLeanClinton
Douglas County1859ColesTuscola
DuPage County1839CookWheaton
Edgar County1823ClarkParis
Edwards County1814*Gallatin, Madison (IT)Albion
Effingham County1831Crawford, FayetteEffingham
Fayette County1821Bond, Clark, Crawford, JeffersonVandalia
Ford County1859unorganized (Vermilion)Paxton
Franklin County1818*Gallatin, WhiteBenton
Fulton County1823PikeLewistown
Gallatin County1812*Randolph (IT)Shawneetown
Greene County1821MadisonCarrollton
Grundy County1841LaSalleMorris
Hamilton County1821WhiteMcLeansboro
Hancock County1825PikeCarthage
Hardin County1839Gallatin, PopeElizabethtown
Henderson County1841WarrenOquawka
Henry County1825unorganized (Fulton)Cambridge
Iroquois County1833unorganized (Vermilion)Watseka
Jackson County1816*Johnson, RandolphMurphysboro
Jasper County1831Clay, CrawfordNewton
Jefferson County1819Edwards, WhiteMt. Vernon
Jersey County1839GreeneJerseyville
JoDaviess County1827Henry, PutnamGalena
Johnson County1812*Randolph (IT)Vienna
Kane County1836unorganized (LaSalle), CookGeneva
Kankakee County1853Ford, Iroquois, WillKankakee
Kendall County1841LaSalle, KaneYorkville
Knox County1825unorganized (Fulton), Fulton, HenryGalesburg
Knox*Northwest TerritoryExtinct-see Knox
Lake County1839McHenryWaukegan
LaSalle County1831Putnam, unorganized (Tazewell)Ottawa
Lawrence County1821Crawford, EdwardsLawrenceville
Lee County1839OgleDixon
Livingston County1837LaSalle, McLean, unorganized (Vermilion?)Pontiac
Logan County1839McLean, Sangamon, TazewellLincoln
Macon County1829unorganized (Shelby)Decatur
Macoupin County1829unorganized (Greene), MadisonCarlinville
Madison County1812*St. Clair (IT)Edwardsville
Marion County1823Fayette, JeffersonSalem
Marshall County1839Putnam, LaSalleLacon
Mason County1841Menard, TazewellHavana
Massac County1843Johnson, PopeMetropolis
McDonough County1826SchuylerMacomb
McHenry County1836Cook, unorganized (LaSalle)Woodstock
McLean County1830Tazewell, unorganized (Tazewell)Bloomington
Menard County1839SangamonPetersburg
Mercer County1825unorganized (Pike)Aledo
Monroe County1816*Randolph, St. ClairWaterloo
Montgomery County1821Bond, MadisonHillsboro
Morgan County1823unorganized (Greene), SangamonJacksonville
Moultrie County1843Macon, ShelbySullivan
Ogle County1836Jo Daviess, unorganized (LaSalle)Oregon
Peoria County1825Fulton, unorganized (Fulton)Peoria
Perry County1827Jackson, RandolphPickneyville
Piatt County1841DeWitt, MaconMonticello
Pike County1821MadisonPittsfield
Pope County1816*Gallatin, JohnsonGolconda
Pulaski County1843Alexander, JohnsonMound City
Putnam County1825unorganized (Edgar, Fulton)Hennepin
Randolph County1795*St. Clair, Northwest TerritoryChester
Richland County1841Clay, LawrenceOlney
Rock Island County1831Jo DaviessRock Island
Saline County1847GallatinHarrisburg
Sangamon County1821Bond, MadisonSpringfield
Schuyler County1825Pike, unorganized (Pike)Rushville
Scott County1839MorganWinchester
Shelby County1827FayetteShelbyville
Stark County1839Knox, PutnamToulon
St. Clair County1790*Northwest TerritoryBelleville
Stephenson County1837Jo Daviess, WinnebagoFreeport
Tazewell County1827unorganized (Peoria), FayettePekin
Union County1818 *Johnson, JacksonJonesboro
Vermilion County1826unorganized (Edgar)Danville
Wabash County1824EdwardsMount Carmel
Warren County1825unorganized (Pike)Monmouth
Washington County1818*St. ClairNashville
Wayne County1819EdwardsFairfield
White County1815*Madison (IT)Carmi
Whiteside County1836Jo Daviess, HenryMorrison
Will County1836Cook, IroquoisJoliet
Williamson County1839FranklinMarion
Winnebago County1836JoDaviess, unorganized (LaSalle)Rockford
Woodford County1841McLean, TazewellEureka

Definitions:
*county formed before Illinois became a state
(IT) Illinois Territory

See also: Illinois County Formatioin maps


Genealogical Research in Illinois

Illinois State Library
Gwendolyn Brooks Building
300 S. Second St.
Springfield, IL 62701−1796
217-785-5600
800-665-5576 (Illinois Residents) https://www.cyberdriveillinois.com/departments/library/home.html


Illinois State Archives
Springfield office:
Margaret Cross Norton Bldg.
Capitol Complex
Springfield, IL 62756
217-782-4682
http://www.cyberdriveillinois.com/departments/archives/


Illinois State Genealogical Society
P. O. Box 10195
Springfield, IL 62791-0195
Telephone: (217) 789-1968
Email: isgsoffice@ilgensoc.org
http://www.ilgensoc.org/


If you know of a Illinois Genealogy link that should be added to this list, please Contact us