BOND COUNTY

BOONE COUNTY

• Boone County Clerk Vital Records
• Boone County Historical Museum
• Boone County History and Genealogy

BROWN COUNTY

• Brown County Genealogy and History
• Brown County Genweb
• Brown County History and Genealogy
• Cemeteries of Brown County

BUREAU COUNTY

• Bureau County Clerk
• Bureau County History and Genealogy

CALHOUN COUNTY

• Calhoun County History and Genealogy

CARROLL COUNTY

• Carroll County History and Genealogy

CASS COUNTY

• Cass County Genealogy Trails

CHAMPAIGN COUNTY

• County Clerk's Office
• Early American Musuem, The Heritage Society of Champaign

CHRISTIAN COUNTY

• Christian County at Genealogy Trails

CLARK COUNTY

• County Clerk's Office

CLAY COUNTY

CLINTON COUNTY

• County Clerk's Office
• Clinton County History and Genealogy

COLES COUNTY

COOK COUNTY

CRAWFORD COUNTY

CUMBERLAND COUNTY

DEKALB COUNTY

• DeKalb County Clerk
• Taming The Wild Prairie:  A History of DeKalb County, Illinois

DEWITT COUNTY

• Dewitt County Genealogy Trails

DOUGLAS COUNTY

• Douglas County History and Genealogy

DUPAGE COUNTY

• County Clerk

EDGAR COUNTY

• Cemeteries of Edgar County
• Edgar County Genealogy Library

EDWARDS COUNTY

EFFINGHAM COUNTY

• County Clerk
• Effingham County at Genealogy Trails

FAYETTE COUNTY

• Fayette County History and Genealogy

FORD COUNTY

FRANKLIN COUNTY

• Franklin County History and Genealogy

FULTON COUNTY

• Fulton County History and Genealogy

GALLATIN COUNTY

Gallatin County, Illinois Genealogy and Research

GREENE COUNTY

• Greene County Illinois Genweb
• History and Genealogy of Greene County

GRUNDY COUNTY

HAMILTON COUNTY

• Hamilton County History and Genealogy

HANCOCK COUNTY

• Hancock County History and Genealogy

HARDIN COUNTY

HENDERSON COUNTY

• Henderson County History and Genealogy

HENRY COUNTY

• County Clerk
• Henry County History and Genealogy

IROQUOIS COUNTY

JACKSON COUNTY

• County Clerk

JASPER COUNTY

• Jasper County Genealogy and History

JEFFERSON COUNTY

JERSEY COUNTY

• Jersey County History and Genealogy

JO DAVIES COUNTY

• Jo Daviess County Genealogy Trails

JOHNSON COUNTY

KANE COUNTY

• County Clerk
• Kane County Genweb

KANKAKEE COUNTY

• County Clerk

KENDALL COUNTY

• County Clerk

KNOX COUNTY

LAKE COUNTY

• County Clerk

LASALLE COUNTY

• County Clerk

LAWRENCE COUNTY

• County Clerk

LEE COUNTY

• County Clerk's Office
• Lee County Genealogy Trails

LIVINGSTON COUNTY

LOGAN COUNTY

• County Clerk and Recorder
• Logan County Genealogy Trails

LEE COUNTY

• The History of Lee County

MCDONOUGH COUNTY

• McDonough County at Genealogy Trails

MCHENRY COUNTY

• McHenry County Clerk
• McHenry County Illinois Genealogical Society

MCLEAN COUNTY

• McLean County Clerk
• McClean County Genealogy Trails
• The Pantagraph

MACON COUNTY

• Macon County at Genealogy Trails

MACOUPIN COUNTY

MADISON COUNTY

MARION COUNTY

• Morning Sentinel
• Marion County at Genealogy Trails

MARSHALL COUNTY

• County Clerk's Office
• Marshall County History and Genealogy

MASON COUNTY

• County Clerk's Office
• Mason County History and Genealogy

MASSAC COUNTY

MENARD COUNTY

• Menard County History and Genealogy

MERCER COUNTY

• Mercer County History and Genealogy

MONROE COUNTY

MONTGOMERY COUNTY

• Montgomery County at Fenealogy Trails

MORGAN COUNTY

• Morgan County Genweb
• Morgan County History and Genealogy

MOULTRIE COUNTY

• Moultrie County at Genealogy Trails

OGLE COUNTY

• County Clerk's Office
• Ogle County Genealogy Site
• Ogle County History and Genealogy

PEORIA COUNTY

PERRY COUNTY

• County Clerk
• Perry County at Genealogy Trails

PIATT COUNTY

• County Clerk
• Piatt County History and Genealogy

PIKE COUNTY

• Pike County Genweb
• Pike County History and Genealogy

POPE COUNTY

PULASKI COUNTY

PUTNAM COUNTY

RANDOLPH COUNTY

• Randolph  County at Genealogy Trails

RICHLAND COUNTY

• Richland County at Genealogy Trails

ROCK ISLAND COUNTY

• County Clerk
• Frieden's Lutheran Church Cemetery
• Rock Island County History and Genealogy

SANGAMON COUNTY

• Sangamon County at Genealogy Trails

ST. CLAIR COUNTY

SALINE COUNTY

Saline County, Illinois Genealogy and Research

SANGAMON COUNTY

• County Clerk
• Sangamon County at Genealogy Trails
• The Underground Railroad in Sangamon County

SCHUYLER COUNTY

• Schuyler County History and Genealogy

SCOTT COUNTY

• Scott County History and Genealogy

SHELBY COUNTY

• Shelby County Genealogy Trails

STARK COUNTY

• Stark County History and Genealogy

STEPHENSON COUNTY

• County Clerk
• Stephenson County History and Genealogy

TAZEWELL COUNTY

• Tazewell County Genealogy Trails

UNION COUNTY

VERMILLION COUNTY

• County Clerk

WABASH COUNTY

WARREN COUNTY

• County Clerk
• Warren County History and Genealogy

WASHINGTON COUNTY

• Washington County at Genealogy Trails

WAYNE COUNTY

• Wayne County History and Genealogy

WHITE COUNTY

• White County History and Genealogy

WHITESIDE COUNTY

• County Clerk
• Whiteside County Genealogy Trails

WILL COUNTY

• County Clerk

WILLIAMSON COUNTY