84th Regiment, Ohio Infantry
The 84th Regiment, Ohio Infantry mustered in May-June, 1862 at Camp Chase, Ohio. They were mustered out October 14, 1862 at: Camp Delaware. 
For more information on the history of this unit, see:
- Larry Stevens' Ohio in the Civil War, 84th Ohio Infantry
- The Civil War Archive section, 84th Regiment Infantry, (accessed 31 August 2012).
Companies in this Regiment with the Counties 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.
Company A - recruited from Clark County
Company F - recruited from Darke County
Company H - recruited from Greene County
Company I - recruited from Darke County
Company K - recruited from Darke County
The above information about counties is from Record of the Ninety-fourth Regiment Ohio Volunteer Infantry in the War of the Rebellion, page 9.
A county listing from Steve Ward's Buckeyes All, Part IV Revised, is given on Larry Stevens' Ohio in the Civil War web page, 84th Ohio Infantry.
- 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 ‘Ohio 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.
- Ohio in the Civil War describes many Confederate and Union sources, specifically for Ohio, 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.
- Record of the Ninety-fourth Regiment Ohio Volunteer Infantry in the War of the Rebellion, (Cincinnati: Ohio Valley Press, s.d.), gives a history of the regiment in the Civil War. Internet Archive.
- National Park Service, The Civil War Soldiers and Sailors System, (accessed 6 December 2010).
-  History of Trumbull and Mahoning Counties page 135
- fckLRHistory of Cuyahoga County Ohio page 126 Cite error: Invalid
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- fckLRHistory of Salem and the immediate vicinity
- Record of the Ninety-fourth Regiment Ohio Volunteer Infantry in the War of the Rebellion, (Cincinnati: Ohio Valley Press, s.d.), page 9.