The 25th Regiment, Virginia Cavalry was organized in July, 1864, using the 27th Battalion Virginia Partisan Rangers as its nucleus. Serving in McCausland's and Imboden's Brigade, the unit fought in numerous engagements in western Virginia and the Shenandoah Valley. During April 1865, it disbanded.
Commanders were Colonel Warren M. Hopkins, Lieutenant Colonel Henry A. Edmundson, and Major Sylvester R. McConnell.<ref>National Park Service, [
http://www .itd.nps.gov/ cwss/ The Civil War Soldiers and Sailors System], (accessed December 2010).</ref>
=== Companies in this Regiment with the Counties of Origin ===
*[[Beginning United States Civil War Research|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. <br>
*National Park Service, [
http://www .itd.nps.gov/ cwss/ 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. <br>
*[[Virginia in the Civil War|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. <br>