121st Regiment, Ohio Infantry

Brief History
The 121st Regiment, Ohio Infantry was organized at Delaware, Ohio, September 11, 1862. They were mustered out to Washington, District of Columbia, April 29-May 19. Mustered out June 8, 1865.

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


 * The Civil War Archive section, 121st Regiment Infantry, (accessed 5 September 2012).
 * Larry Stevens' Ohio in the Civil War web page for the 121st Ohio Infantry.
 * Ohio Civil War Central, 121st Regiment Ohio Volunteer Infantry, (accessed 31 October 2016).

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 - Many men from Union County. See Roster. Also See Company Roster

Company B - Many men from Marion County

Company C - Many men from Union County and Delaware County. See Roster. Also See Company Roster

Company D - Many men from Morrow County and Delaware County. - See Company Roster

Company E - Many men from Morrow County - See Company Roster

Company F - Many men from Morrow County and Knox County - See Company Roster

Company G - Many men from Morrow County and Knox County - See Company Roster

Company H - Many men from Delaware County. See Company Roster

Company I - Many men from Union County. See Roster. Also See Company Roster

Company K - Many men from Delaware County. See Company Roster

The Civil War Soldiers and Sailors database lists 1,901 men on its roster for this unit. Roster.

Other Sources

 * 121st Regiment, Ohio Infantry, Civil War Index, which includes history, battles, and roster with name, rank, age, date entered service, period of service and remarks.


 * 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.