25th Regiment, Virginia Infantry (Heck's) (Confederate)
The 25th Infantry Regiment was organized during the early summer of 1861 and included the four companies of the 9th Battalion Virginia Infantry. Its members were raised in Upshur, Augusta, Highland, Bath, Pendleton, and Rockbridge counties. There were no members of the 25th at Appomattox on April 9, 1865.
The field officers were Colonels John C. Higginbotham, George A. Porterfield, and George H. Smith; Lieutenant Colonels Patrick B. Duffy, Jonathon M. Heck, Robert D. Lilley, and John A. Robinson; and Majors Wilson Harper, Albert G. Reger, and William T. Thompson. 
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 (Upshur Grays) - many men from Upshur County
Company B (Rockbridge Guards) - many men from Rockbridge County
Company C (Augusta Lee Rifles) - many men from Augusta County
Company D (Highland Rangers) - many men from Highland County
Company E (Pendleton Rifles) - many men from Pendleton County
Company E (2nd) (Fighting Company E)
Company F (Franklin Guards) - many men from Pendleton County
Company G ( Bath Grays) - many men from Bath County
Company H (Hardy Blues) - many men from Hardy County
Company I (Mount Crawford Cavalry) (formerly Valley Rifles) - many men from Rockingham County
The information above is from 25th Virginia Infantry and 9th Battalion Virginia Infantry, by Richard Armstrong
- 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 Virginia in the Civil War and United States Civil War, 1861 to 1865.
- 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.
- Virginia in the Civil War describes many Confederate and Union sources, specifically for Virginia, 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.
- King, John R. My Experience in the Confederate Army and in Northern Prisons. Clarksburg, W. Va.: Stonewall Jackson Chapter, No. 1333, United Daughters of the Confederacy, 1917. Digital version at Internet Archive; FHL Fiche 6082863.
- Sifakis, Stewart. Compendium of the Confederate Armies: Virginia. New York, NY: Facts on File, 1992- 1995. (Family History Library book 975 M2ss, Ten Volumes.) This gives organization information for each unit and its field officers, assignments, and battles. It also lists sources further reading. Volume 5 is for Virginia.
- Wallace, Lee A. A Guide to Virginia Military Organizations, 1861-1865. Lynchburg, Virginia: H. E. Howard, 1986. (Family History Library book 975.5 M2vr, Volume 29.) This gives brief historical sketches of each regiment and lists officers, company names, and commanders.
- National Park Service, The Civil War Soldiers and Sailors System, (accessed 6 December 2010).