12th Regiment, Missouri Calvary (Union)

United States U.S. Civil War (Begin)    U.S. Civil War (Records)  Missouri in the Civil War  12th Regiment, Missouri Calvary (Union)

Brief History
12th Regiment, Missouri Calvary was enrolled between 15 September 1863 and 23 February 1864. They were mustered between 8 February 1863 and 30 March 1864. The Regiment was discharged between 31 March 1865 and 9 April 1866. The Colonel in charge was Oliver Wells.

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 - Major Andrew J. Hughes - Many men from St. Louis

Company B - Captains Arthur J. Devlin and John W. Leach - Many men from St. Joseph

Company C - Captains William M. Delano and William Coldwell - Many men from St. Joseph

Company D - Captains Joseph H. Rickards and Charles F. Ernst - Many men from Carrolton

Company E - Captain Jefferson Miller - Many men from Breckenridge

Company F - Captain James K. Martin - Many men from Benton Barracks

Company G - Captains William Kerrigan, Robert G. Hubbard, and Sylvester S. VanSickle - Many men from Carrollton

Company H - Major John Collar - Many men from Bethamy

Company I - Major William O. Mills - Many men from Waynesville

Company K - Captain John G. Wood - Many men from Tuscumbia

Company L - Captains Henry T. Sherman and Harry M. Sherman - Many men from St. Louis

Company M - Captain Oscar F. Smith - Many men from Memphis

The above information about the companies with partial rosters is found in Kenneth E. Weant's book, Civil War Records Union Troops Missouri Volunteer Calvary, Volume 5

Other Sources

 * 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.