12th Regiment, Tennessee Cavalry (Green's)
The 12th Regiment, Tennessee Cavalry (Green's) was also called the 1st Partisan Rangers was organized behind Federal lines in February, 1863. Was part of Hood's operations in Tennessee. During February, 1865, the regiment was broken up. 
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 - Captain Ed Daly, Patrick Strickland - Men from Fayette County.
- Company B - Captain James H. Murray, William T. Carmack. Men from Fayette County.
- Company C - Captain John U. Green (to colonel), John L. Payne
- Company D - Captain James H. Hazelwood, John G. McCalla
- Company E - Captain Reuben Burrow (to major), A. Beaty, S.M. Stewart, Cyrus M. Sturart (or Stewart)
- Company F - Captain W. A. Bell
- Company G - Captain Robert A. Field
- Company H - Captain J. Slaughter Caruthers
- Company I - Captain John H. Hicks
- Company K - Captain Robert J. Morris
The information about the companies is from Tennesseans in the Civil War, (accessed 23 Dec 2011).
- 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 'Tennessee 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.
- Tennessee in the Civil War describes many Confederate and Union sources, specifically for Tennessee, 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.
- Lindsley, John Berrien, The Military Annals of Tennessee – Confederate First Series, Embracing A Review of Military Operations, with Regimental Histories and Memorial Rolls, Compiled from Original and Official Sources, (Nashville: J.M. Lindsley & Co. Publishers; 1886).Online at Internet Archive, (accessed 3 Sep 2011). A brief history of the Twelfth Tennessee Cavalry begins on page 720.
- Tennesseans in the Civil War, 12th (Richardson's-Green's) Tennessee Cavalry Regiment, (accessed 23 Dec 2011). A brief history.
- National Park Service, The Civil War Soldiers and Sailors System, (accessed 6 December 2010).