GHLL Lee County Package:
- American History & Genealogy Project (None found online at the time of this update.)
- Cemetery Listings - may include photos, records, name lists, etc..
- Cities/Towns/Townships - compiled by Wikipedia
- Genealogy Forum - Lee County, IL Genealogy Forum (Genealogy.com)
- Society/Museum/Assn - (Lee County Genealogical Society / Dixon, IL)

- Society/Museum/Assn - (Lee County Historical Society / Dixon, IL)

- US/ILGenWeb site - Lee County Archives
- US/ILGenWeb - Lee County Genealogy & History
- Vital Records - Lee County Clerk, 112 East Second Street, Dixon, IL 61021.
Additional Local History/Genealogy:
Livingston County, Illinois —  Livingston County, Illinois Information to be completed on or before: MMM DD, 2013
Additional Local History/Genealogy:
Adjacent counties (GHLL listings):
information here. Note: County names in gray print are not yet linked, those in blue are clickable (meaning linked).
Genealogy Trails - Livingston County.
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Logan County, Illinois — Information Updated: May 9, 2010
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Formed from: portions of Sangamon County and in 1847 a portion of DeWitt County. Established: 15-Feb-1839 |
County Seat: Lincoln, Illinois
County history
- Logan County was named by Abraham Lincoln, a member of the General Assembly at the time and the prime mover in forming the county, in honor of his friend Dr. John Logan, a well known Illinois pioneer and fellow member of the Illinois General Assembly. Earlier county seats were Postville, later known as Camden, 1839-47, and Mt. Pulaski, 1847-53.
|  Logan Courthouse
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- Logan County - American History & Genealogy Project (None found online at the time of this update.)
- Logan County - Cities/Towns/Townships: From Wikipedia
- Logan County - Genealogical/Historical Society (Logan County Genealogical & Historical Society / Lincoln, IL)

- Logan County - US/ILGenWeb site: (Archives)
- Logan County - US/ILGenWeb site: Genealogy & History
- Logan County - Genealogy Forum (Genealogy.com)
Additional Local History/Genealogy:
- Logan County Cemeteries - Listings (county & cemetery); may include photos, records, name lists, etc..
- Logan County Vital Records - Logan County Clerk, 601 Broadway Street, P.O. Box 278, Lincoln, IL 62656.
Census Information:
- 1860 Census (T) - Federal Census, Logan County (Text: 14 pages).
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Macon County, Illinois — Information Updated: Jun 21, 2010
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Formed from: portions of unorganized (now Shelby County) territorial lands. Established: xx-xxx-1829 |
County Seat: Decatur, Illinois
County history
- Macon County is named in honor of Nathaniel Macon (December 17, 1758 - June 29, 1837) was a spokesman for the Old Republican faction of the Democratic-Republican Party that wanted to strictly limit the United States federal government (6th Speaker of the United States House of Representatives).
|  Macon Courthouse
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- Macon County - American History & Genealogy Project (None found online at the time of this update.)
- Macon County - Cities/Towns/Townships: From Wikipedia
- Macon County - Genealogical/Historical Society (Decatur Genealogical Society & Library / Decatur, IL)

- Macon County - Genealogical/Historical Society (Macon County Historical Society & Museum / Decatur, IL)

- Macon County - US/ILGenWeb site: (Archives)
- Macon County - US/ILGenWeb site: Genealogy & History
- Macon County - Genealogy Forum (Genealogy.com) (None found online at the time of this update.)
- Macon County - Genealogy Forum (Genealogy.com)
Additional Local History/Genealogy:
- Macon County Cemeteries - Listings (county & cemetery); may include photos, records, name lists, etc..
- Macon County Vital Records - Macon County Clerk, Macon County Office Building, 141 South Main Street, Room 104, Decatur, IL 62523.
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Macoupin County, Illinois — Information Updated: Feb 15, 2010
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Formed from: portions of unorganized territory (later Greene) and Madison Counties. Established: xx-xxx-1829 |
County Seat: Carlinville, Illinois
County history
- Macoupin County is named for a Native American word, Macoupin, an aquatic plant (American lotus) whose root was harvested by the Indians for food.
|  Macoupin Courthouse
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- Macoupin County - American History & Genealogy Project (None found online at the time of this update.)
- Macoupin County - Cities/Towns/Townships: From Wikipedia
- Macoupin County - Genealogical/Historical Society (Macoupin County Genealogical Society / Staunton, IL)

- Macoupin County - US/ILGenWeb site: (Archives)
- Macoupin County - US/ILGenWeb site: Genealogy & History
- Macoupin County - Genealogy Forum (Genealogy.com)
Additional Local History/Genealogy:
- Macoupin County Cemeteries - Listings (county & cemetery); may include photos, records, name lists, etc..
- Macoupin County Vital Records - Macoupin County Clerk, 201 East Main, P.O. Box 197, Carlinville, IL 62626-0197.
Census Information:
- 1900 Census (T) - Federal Census Macoupin County, Illinois (ED 48: 6 Files / ED 50: 5 Files)
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Madison County, Illinois — Information Updated: Feb 16, 2009
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Formed from: portions of Randolph and St. Clair Counties Established: xx-xxx-1820 |
County Seat: Edwardsville, Illinois
County history
- Madison County was named in honor of President James Madison, at the outbreak of the War of 1812, by the first and only territorial governor of Illinois (Ninian Edwards (1775-1833)), appointed in 1809 by President James Madison when the Illinois Territory was established.
|  Madison Courthouse
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- Madison County - American History & Genealogy Project (None found online at the time of this update.)
- Madison County - Cities/Towns/Townships: From Wikipedia
- Madison County - Genealogical/Historical Society (Madison County Genealogical Society / Edwardsville, IL)

- Madison County - US/ILGenWeb site: (Archives)
- Madison County - US/ILGenWeb site: Genealogy & History
- Madison County - Genealogy Forum (Genealogy.com)
Additional Local History/Genealogy:
- Madison County Cemeteries - Listings (county & cemetery); may include photos, records, name lists, etc..
- Madison County Vital Records - Madison County Clerk, 157 N. Main Street, Suite 109, P.O. Box 218, Edwardsville, IL 62025
Census Information:
- 1820 Census (T) - All towns, and districts.
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Marshall County, Illinois — Information Updated: Jun 22, 2010
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Formed from: portions of Putnam County. Established: 19-Jan-1839 |
County Seat: Lacon, Illinois
County history
- Marshall County is named in honor of Supreme Court Chief Justice John Marshall.
|  Marshall Courthouse
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- Marshall County - American History & Genealogy Project (None found online at the time of this update.)
- Marshall County - Cities/Towns/Townships: From Wikipedia
- Marshall County - Genealogical/Historical Society (None found online at the time of this update.)
- Marshall County - US/ILGenWeb site: (Archives)
- Marshall County - US/ILGenWeb site: Genealogy & History
- Marshall County - Genealogy Forum (Genealogy.com)
Additional Local History/Genealogy:
- Marshall County Cemeteries - Listings (county & cemetery); may include photos, records, name lists, etc..
- Marshall County Vital Records - Marshall County Clerk, 122 North Prairie, P.O. Box 328, Lacon, IL 61540-1216.
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Mason County, Illinois — Information Updated: Sep 10, 2012
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Formed from: portions of Tazewell and Menard Counties. Established: xx-xxx-1841 |
County Seat: Havana, Illinois
County history
- Mason County is named in honor of Mason County, Kentucky, itself named after George Mason IV (December 11, 1725 - October 7, 1792), who was an American Patriot, statesman and a delegate from Virginia to the U.S. Constitutional Convention. Along with James Madison, he is called the "Father of the United States Bill of Rights." For these reasons he is considered one of the "Founding Fathers" of the United States.
|  Mason Courthouse
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GHLL Mason County Package:
- American History & Genealogy Project (None found online at the time of this update.)
- Cemetery Listings - may include photos, records, name lists, etc..
- Cities/Towns/Townships - compiled by Wikipedia
- Genealogy Forum - Mason County, IL Genealogy Forum (Genealogy.com)
- Society/Museum/Assn - (Mason County Genealogical & Historical Society / Havana, IL)

- US/ILGenWeb site - Mason County Archives
- US/ILGenWeb - (None found online at the time of this update.)
- Vital Records - Mason County Clerk, Mason County Courthouse, 125 N. Plum, P.O. Box 77, Havana, IL 62644.
Additional Local History/Genealogy:
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Massac County, Illinois — Information Updated: Apr 23, 2012
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Formed from: portions of Johnson and Pope Counties. Established: 08-Feb-1843 |
County Seat: Metropolis, Illinois
County history
- Massac County is named for Fort Massac (or Fort Massiac), which is a colonial-era fort on the Ohio River in Massac County, Illinois, United States. Legend has it that, as early as 1540, the Spanish explorer Hernando de Soto and his soldiers constructed a primitive fortification here to defend themselves from native attack. Maps from the early 1700s show an "Ancien Fort" ("Old Fort") near this location. Fort Massiac was built by the French in 1757, during the French and Indian War and was originally called "Fort de l Ascension." The name was changed in 1759. The actual fort exists no longer.
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 Massac Courthouse
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GHLL Massac County Package:
- American History & Genealogy Project (None found online at the time of this update.)
- Cemetery Listings - may include photos, records, name lists, etc..
- Cities/Towns/Townships - compiled by Wikipedia
- Genealogy Forum - Massac County, IL Genealogy Forum (Genealogy.com)
- Society/Museum/Assn - (Massac County Genealogical Society / Metropolis, IL)

Massac County Historical Society  405 Market Street Metropolis, IL 62960
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- US/ILGenWeb site - Massac County Archives
- US/ILGenWeb - Massac County Genealogy & History
- Vital Records - Massac County Clerk, P.O. Box 429, Metropolis, IL 62960-0429.
Additional Local History/Genealogy:
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McHenry County, Illinois — Information Updated: Jun 22, 2010
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Formed from: portions of Cook and unorganized lands of what is now LaSalle County. Established: xx-xxx-1836 |
County Seat: Woodstock, Illinois
County history
- McHenry County is named in honor of Major William McHenry, an Indian fighter who died in Vandalia in 1835.
|  McHenry Courthouse
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- McHenry County - American History & Genealogy Project (None found online at the time of this update.)
- McHenry County - Cities/Towns/Townships: From Wikipedia
- McHenry County - Genealogical/Historical Society (McHenry County Historical Society / Union, IL)

- McHenry County - US/ILGenWeb site: (Archives)
- McHenry County - US/ILGenWeb site: Genealogy & History
- McHenry County - Genealogy Forum (Genealogy.com)
Additional Local History/Genealogy:
- McHenry County Cemeteries - Listings (county & cemetery); may include photos, records, name lists, etc..
- McHenry County Vital Records - McHenry County Government Center, 2200 North Seminary Avenue, Woodstock, IL 60098.
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McLean County, Illinois — Information Updated: Nov 2, 2009
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Formed from: portions of Territorial lands (unorganized) Tazewell County. Established: xx-xxx-1830 |
County Seat: Bloomington, Illinois
County history
- McLean County is named in honor of John McLean (February 4, 1791 October 14, 1830) was a United States Representative and a Senator from Illinois.
|  McLean Courthouse
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- McLean County - American History & Genealogy Project (None found online at the time of this update.)
- McLean County - Cities/Towns/Townships: From Wikipedia
- McLean County - Genealogical/Historical Society (McLean County Genealogical Society, Inc. / Bloomington, IL)

- McLean County - US/ILGenWeb site: (Archives)
- McLean County - US/ILGenWeb site: Genealogy & History
- McLean County - Genealogy Forum (Genealogy.com)
Additional Local History/Genealogy:
- McLean County Cemeteries - Listings (county & cemetery); may include photos, records, name lists, etc..
- McLean County Vital Records - McLean County Clerk, 115 E Washington Street, Room 102, P.O. Box 2400, Bloomington, IL 61702-2400.
- McLean County - Immigration Records Index
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Monroe County, Illinois — Information Updated: Jun 22, 2010
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Formed from: portions of Saint Clair and Randolph Counties before statehood. Established: 06-Jan-1816 |
County Seat: Waterloo, Illinois
County history
- Monroe County is named in honor of James Monroe, 5th president of the United States. The Monroe County seat was originally Harrisonville from 1816 to 1825, and is now Waterloo 1825.
|  Monroe Courthouse
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- Monroe County - American History & Genealogy Project (None found online at the time of this update.)
- Monroe County - Cities/Towns/Townships: From Wikipedia
- Monroe County - Genealogical/Historical Society (Monroe County Genealogical Society / Columbia, IL)

- Monroe County - Genealogical/Historical Society (Monroe County Historical Society / Waterloo, IL)

- Monroe County - US/ILGenWeb site: (Archives)
- Monroe County - US/ILGenWeb site: Genealogy & History
- Monroe County - Genealogy Forum (Genealogy.com)
Additional Local History/Genealogy:
- Monroe County Cemeteries - Listings (county & cemetery); may include photos, records, name lists, etc..
- Monroe County Vital Records - Monroe County Clerk, Monroe County Courthouse, 100 South Main Street, Waterloo, IL 62298.
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Montgomery County, Illinois — Information Updated: Aug 17, 2009
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Formed from: portions of Bond and Madison Counties. Established: 12-Feb-1821 |
County Seat: Hillsboro, Illinois
County history
- Montgomery County is named in honor of Richard Montgomery, an American Revolutionary War general killed in 1775 while attempting to capture Quebec City, Canada. Perrin's 1882 History of Montgomery County relates that the County was named in honor of Gen. Montgomery, but goes on to say that, "others are dubious as to whence it received its name."
|  Montgomery Courthouse
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Morgan County, Illinois — Information Updated: Jun 22, 2009
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Formed from: portions of Madison, Greene & St. Clair Counties. Established: xx-xxx-1823 |
County Seat: Jacksonville, Illinois
County history
- Morgan County is named in honor of Daniel Morgan, a General of the Revolution, who, as commander of the "Rifle Brigade," served with distinction at Quebec, Saratoga, the Cowpens, and other important engagements
|  Morgan Courthouse
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- Morgan County - American History & Genealogy Project (None found online at the time of this update.)
- Morgan County - Cities/Towns/Townships: From Wikipedia
- Morgan County - Genealogical/Historical Society (None found online at the time of this update.)
- Morgan County - US/ILGenWeb site: (Archives)
- Morgan County - US/ILGenWeb site: Genealogy & History
- Morgan County - Genealogy Forum (Genealogy.com)
Additional Local History/Genealogy:
- Morgan County Cemeteries - Listings (county & cemetery); may include photos, records, name lists, etc..
- Morgan County Vital Records - Morgan County Clerk, 300 West State Street, P.O. Box 1387, Jacksonville, IL 62650
- Morgan County - Morgan Area Genealogy
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Ogle County, Illinois — Information Updated: Feb 16, 2009
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Formed from: portions of Jo Daviess County. Established: 16-Jan-1836 |
County Seat: Oregon, Illinois
County history
- Ogle County is named in honor of Captain Joseph Ogle, who distinguished himself for his courage and coolness in the early days of the State's history.
|  Ogle Courthouse
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- Ogle County - American History & Genealogy Project (None found online at the time of this update.)
- Ogle County - Cities/Towns/Townships: From Wikipedia
- Ogle County - Genealogical/Historical Society (Ogle County Historical Society & Museum / Oregon, IL)

- Ogle County - US/ILGenWeb site: (Archives)
- Ogle County - US/ILGenWeb site: Genealogy & History
- Ogle County - Genealogy Forum (Genealogy.com)
Additional Local History/Genealogy:
- Ogle County Cemeteries - Listings (county & cemetery); may include photos, records, name lists, etc..
- Ogle County Vital Records - Ogle County Clerk, 4th & Washington Streets, P.O. Box 357, Oregon, IL 61061.
Census Information:
- 1840 Census (T) - Three pages
- 1850 Census (T) - Multiple pages
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