42nd Regiment, Illinois Infantry

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Brief History

The 42nd Regiment, Illinois Infantry was organized at Chicago, Illinois, July 22, 1861.  It mustered out at Camp Irwin December 16 and discharged at Springfield, Illinois, January 10, 1866.

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 Henry County - Henry County web site -

Company B - many men from Cook and Henry counties - Cook and Henry county web sites -

Company C - many men from Knox County - Knox County web site -

Company D - many men from Kankakee County - Kankakee County web site -

Company E - many men from the state of Michigan -

Company F - many men from the state of Michigan -

Company G - many men from Cook County - Cook County web site -

Company H - many men from Michigan and Kanakee County - Kanakee County web site -

Company I - many men from Kane County - Kane County web site -

Company K - many men from De Kalb County - De Kalb County web site -

Unassigned Recruits -

Other Sources

WEBSITES

• Civil War Soldiers and Sailors System, (accessed 30 Dec. 2010) can be searched by soldier's name or by regiment; includes regimental rosters and additional history of the regiment.
• Illinois Civil War Rosters from the Adjutant General's Report, 42nd Regiment (accessed 10 May 2011) includes rosters of all the regiments and information on the different companies in each regiment.

BOOKS