18th Regiment, Illinois Infantry

Brief History
The 18th Regiment, Illinois organized at Aurora, Illinois, and mustered into State service May 19, and into U. S. service May 28, 1861. Non-Veterans mustered out May 28, 1864. Regiment mustered out at Little Rock, Arkansas., December 16, and discharged, at Camp Butler, Illinois., December 31, 1865. .

For more information on the history of this unit, see:


 * The Civil War Archive section, 18th Regiment Infantry, (accessed 14 June 2012).
 * The Wikipedia article, 18th Illinois Volunteer Infantry Regiment, (accessed 15 June 2012).

Companies in this Regiment with County of Origin
Men often enlisted in a company recruited in the counties where they lived though not always. After many battles, companies might be combined because so many men were killed or wounded. However if you are unsure which company your ancestor was in, try the company recruited in his county first.

The following counties of origin are taken from the Adjutant General's Report, found on the Illinois Civil War Rosters web site. Roster pages are from the same report found on the Internet Archives web site. The rosters show the men who served in each regiment, their residences, dates of enlistment and mustering out, and other remarks.

Company A - many men from Perry County - Perry County web site -

Company B - many men from Gallatin County - Gallatin County web site -

Company C - many men from Assorted counties -

New Company C - many men from Jackson County - Jackson County web site

Company D - many men from Assorted counties

Company E - many men from Alexander County - Alexander County web site -

Company F - many men from Jefferson County and Wayne County - Jefferson and Wayne county web sites -

Company G - many men fromWayne County - Wayne County web site -

Company H - many men from Assorted counties

New Company H - many men from Union County - Union County web site -

Company I - Assorted counties

Company K - many men from Jackson County - Jackson County web site

Unassigned Recruits -

The Civil War Soldiers and Sailors database lists 3,370 men on its roster for this unit. Roster.

Regimental History and Roster

 * Report of Annual Reunion of the 50th Illinois Reunion Association, Publisher Camp Point, Ill. : Journal Print, 1896, Online at:Internet Archive

Other Sources
WEBSITES


 * Beginning United States Civil War Research gives steps for finding information about a Civil War soldier. It covers the major records that should be used. Additional records are described in ‘Illinois in the Civil War’ and ‘United States Civil War, 1861 to 1865’ (see below).


 * National Park Service, The Civil War Soldiers and Sailors System, is searchable by soldier's name and state. It contains basic facts about soldiers on both sides of the Civil War, a list of regiments, descriptions of significant battles, sources of the information, and suggestions for where to find additional information.


 * Illinois in the Civil War describes many Confederate and Union sources, specifically for Illinois, and how to find them.. These include compiled service records, pension records, rosters, cemetery records, Internet databases, published books, etc.


 * United States Civil War, 1861 to 1865 describes and explains United States and Confederate States records, rather than state records, and how to find them. These include veterans’ censuses, compiled service records, pension records, rosters, cemetery records, Internet databases, published books, etc.


 * Illinois Civil War Rosters from the Adjutant General's Report, 18th Regiment (accessed 10 May 2011) includes rosters of all the regiments and information on the different companies in each regiment.

BOOKS