40th Regiment, Ohio Infantry

United States  U.S. Military   Ohio    Ohio Military   Ohio in the Civil War   Ohio Civil War Union Units 23rd through 65th   40th Regiment, Ohio Infantry

Brief History
The 40th Regiment, Ohio Infantry mustered in December 7, 1861 at Camp Chase, Columbus, Ohio. Veterans and Recruits consolidated with 51st Ohio Infantry December 10, 1864.

For more information on the history of 40th Ohio Infantry see the following:


 * The Civil War Archive section, 40th Regiment Infantry, (accessed 30 August 2012).
 * Larry Stevens' Ohio in the Civil War, 40th Ohio Infantry
 * The wikipedia article, 40th Ohio Infantry (accessed 22 November 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.

Field, Staff, and Band - Roster

Company A - Many men from Madison County. See Company Roster.

Company B - Many men from Clinton County. See Company Roster.

Company C - Many men from Madison County. See Company Roster.

Company D - Many men from Union County and Madison County. See Roster and Company Roster.

Company E - Many men from Darke County. See Company Roster.

Company F - Some men from Darke County. Enrolled at Camp Chase, Columbus - See Company Roster.

Company G - Many men from Darke County. Enrolled at Camp Chase, Columbus - See Company Roster.

Company H - Enrolled at Camp Chase, Columbus - See Company Roster.

Company I - Many men from Darke County. Enrolled at Camp Chase, Columbus - See Company Roster.

Company K - Some men from Darke County. Enrolled at Camp Chase, Columbus - See Company Roster.

The Civil War Soldiers and Sailors database lists 1,774 men on its roster for this unit. Roster.

Other Sources

 * 40th Regiment, Ohio Infantry (Consolidated with the 51st Regiment December 10, 1864), 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.


 * Beach, John N.History of the Fortieth Ohio Volunter Infantry. (London, Ohio: Shepherd and Craig, 1884). Digital version: Internet Archive. (Bethesda, Maryland : University Publications of America, c1993) and (Columbus, Ohio : Ohio Historical Society, 1988)


 * Doan, Isaac C. Reminiscences of the Chattanooga campaign. (Bethesda, Maryland : University Publications of America, c1993),