3rd Regiment, Missouri Infantry - Confederate
1st Battalion, Missouri Cavalry (1st Indian Brigade) was organized during the spring of 1864. The unit was at Fort Washita, Indian Territory, in May, 1865 and soon disbanded. 
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 - mustered at Richmond, Ray County, Missouri
Company B - mustered at Springfield, Greene County, Missouri
Company C - mustered at St. Clair County, Missouri
Company D - mustered at Springfield, Greene County, Missouri
Company E - mustered at Greene County, Missouri
Company F - mustered at Greene County, Missouri
Company G - mustered at St. Clair County, Missouri
Company H - mustered at Springfield, Greene County, Missouri
Company I - mustered at Lafayette County, Missouri
Company K - mustered at Springfield, Missouri
The information about the companies is from Civil War Records: Missouri Confederate Infantry, 1st through the 6th Regiments, Volume 1, (s.l.: s.n.: c2008), pages 58-73. Rosters are also included in this book. FHL book 977.8 M2wki, vol. 1.br>
- Beginning United States Civil War Research gives steps for finding information about a Civil War soldier or sailor. It covers the major records that should be used. Additional records are described in 'Missouri 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.
- Missouri in the Civil War describes many Confederate and Union sources, specifically for Missouri, 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 December 2010).