12th Infantry Field and Staff
Complete Listing (includes non-Rock Island soldiers)

 

Name and Rank Residence Date of Rank
or Enlistment
Date of Muster Remarks
Colonels        
McArthur, John Chicago May 3, 1861 Aug 1, 1861 Dis to date May 1, 1862
for pro Brig Gen
Chetlain, Augustus L Galena Apr 1, 1862 Apr 27, 1862 Pro Brig Gen of Colored
troops Dec 19, 1863
Van Sellar, Henry Paris Jul 10, 1865 Not Mustered M.O. Jul 10, 1865
as Lieut Colonel
Lieutenant Colonels        
Chetlain, Augustus L Galena May 3, 1861 Aug 1, 1861 Promoted
Ducat, Arthur C Springfield Apr 1, 1862   Resigned Feb 19, 1864
Van Sellar, Henry Paris Feb 19, 1864 May 19, 1864 Promoted
Majors        
Williams, William D Rock Island May 3, 1861 Aug 1, 1861 Resigned Oct 2, 1861
Ducat, Arthur C Chicago Sep 24, 1861   Promoted
Hugain, James R Chicago Apr 1, 1862 Apr 27, 1862 Resigned Jul 12, 1864 Pro Bvt
Brig Gen Mar 13, 1865
Merriman, Wheelock S Wyanet Jul 12, 1864 Sep 7, 1864 M.O. Jul 10, 1865
Adjutants        
Dickson, J Bates Cincinnati, OH Aug 1, 1861 Aug 1, 1861 Pro Gen McArthur's staff
Mason, George Chicago May 22, 1862 Jun 6, 1862 Resigned Jul 28, 1864
Smith, James H Paris Jul 28, 1864 Dec 17, 1864 M.O. Jul 10, 1865
Quartermasters        
Wetmore, Stephen R Du Quoin Aug 1, 1861 Aug 1, 1861 Resigned Jun 16, 1862
McLean, Duncan Chicago Jun 16, 1862   Pro Captain Co A
Andrews, Alfred T Davenport, IA Jan 1, 1863 Feb 7, 1863 M.O. Apr 1, 1865
Burgh, Martin W Rock Island Apr 11, 1865 May 7, 1865 M.O. Jul 10, 1865
Surgeons        
Wardner, Horace Chicago Jul 16, 1861 Aug 1, 1861 Pro to Brigade Surgeon
Cady, William F Rock Island May 1, 1862 Jul 23, 1862 M.O. Oct 24, 1864
Burton, Elijah P Chesterfield Oct 23, 1864 Mar 26, 1865 M.O. Jul 10, 1865
1st Assistant Surgeons        
Farris, James H Springfield May 6, 1861   Resigned 1861
Cady, William F Rock Island Aug 1, 1861 Aug 1, 1861 Promoted
Swan, Samuel M Leland Oct 6, 1862 Oct 6, 1862 Pro Surgeon 11th Reg
Newell, William M Paris Jul 10, 1865   M.O. Jul 10, 1865
2nd Assistant Surgeon        
Newell, William M Paris Jun 16, 1863 Jun 16, 1863 Promoted
Chaplains        
Grant, Joel Lockport Aug 1, 1861 Aug 1, 1861 On detached service at
muster out of Reg