12th Regiment, Ohio Infantry

United States  U.S. Military   Ohio    Ohio Military   Ohio in the Civil WarOhio in the Civil War      Ohio Civil War Union Units 9th through 22nd    12th Regiment, Ohio Infantry

Brief History
The 12th Regiment, Ohio Infantry mustered in June 28, 1861 at Camp Dennison, Ohio. They were mustered out July 11, 1864 at Columbus, Ohio.

For more information on the history of 12th Ohio Infantry see the following:


 * The wikipedia article, 12th Ohio Infantry (accessed 12 October 2011)

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 Years Service: Company A - Many men from Warren County. Company B - Many men from Greene &amp; Highland Counties. Company C - Also known as "Union Guards". Many men from Clermont County. Company D - Many men from Greene County. Company E - Many men from Newark, Licking County. Company F - Mix of counties. Company G - Many men from Middletown, Butler County. Company H - Mix of counties. Company I - Many men from Greene, Montgomery &amp; Warren Counties. Company K - Many men from Brown, Highland &amp; Ross Counties.

County listing from Steve Ward's Buckeyes All, Part II Revised, as given on Larry Stevens' web page, 12th Ohio Infantry. (accessed on March 28, 2011)

Other Sources

 * Ward, James E. D. Twelfth Ohio Volunteer Infantry. (Ripley, OH: [s.n.], 1864). Libraries with book.


 * 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, published books, etc.