18th Independent Battery, Ohio Light Artillery
The 18th Independent Battery, Ohio Light Artillery mustered in September 13, 1862 at Camp Portsmouth, Ohio. They were mustered out June 29, 1865 at Resaca, Georgia. 
For more information on the history of this unit, see:
- The Civil War Archive section, 18th Independent Battery Light Artillery, (accessed 24 August 2012).
- Larry Stevens' Ohio in the Civil War, 18th Ohio Independent Battery
- Ohio Civil War Central, 18th Ohio Independent Battery, Ohio Volunteer Artillery, (accessed 1 November 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
The Civil War Soldiers and Sailors database lists 488 men on its roster for this unit. Roster.
- 18th Ohio Independent Battery Light Artillery, 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.
- National Park Service, The Civil War Soldiers and Sailors System, (accessed 6 December 2010).