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. 
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.
Companies by County:
Three Months Service
Company A - Many men from Lucas County.
Company B - Many men from Mahoning County.
Company C - Many men from Trumbull County.
Company D - Many men from Cuyahoga County.
Company E - Many men from Cuyahoga County.
Company F - Many men from Jefferson County.
Company G - Many men from Medina County.
Company H - Many men from Richland and Summit Counties.
Company I - Many men from Lorain and "Dayton Light Guards" Montgomery Counties.
Company K - Many men from Lucas County.
County listing from Steve Ward's Buckeyes All, Part IV Revised, as given on Larry Stevens' web page, 84th Ohio Infantry. (accessed on April 19, 2011)
National Park Service, The Civil War Soldiers and Sailors System, (accessed 6 December 2010).
- National Park Service, The Civil War Soldiers and Sailors System, (accessed 6 December 2010).