History of Three Year Regiment Company Details Index 16th OVI Home Page Company Rosters
16th Ohio Volunteer Infantry
Organizational History
Three Year Regiment
Web Author's Notes:
This information shows the various military organizations to which the 16th Ohio was assigned throughout its service. There exists much conflicting or incomplete information on the military organizations of the Civil War. The information, below, will be revised as better knowledge is attained.
From Date To Date Army/Dept Corps Corps
Commander		 Division Division
Commander		 Brigade Brigaded
With		 Brigade
Commander		 Regimental
Commander
September, 1861 February 6, 1862 of the Ohio (none) Col. John F. DeCourcey
February 6, 1862   of the Ohio Maj. Gen. Don Carlos Buell 1st Brig. Gen. George H. Thomas 12th 1st Tennessee;
2nd Tennessee;
49th Indiana		 Brig. Gen. Samuel Carter Col. John F. DeCourcey
  March, 1862 of the Ohio Maj. Gen. Don Carlos Buell 7th Gen. George W. Morgan 24th 1st Tennessee;
2nd Tennessee;
49th Indiana		 Brig. Gen. Samuel Carter Col. John F. DeCourcey
April 29, 1862 October, 1862 of the Ohio to October 24 Maj. Gen. Ulysses Grant
from October 24		 7th Gen. George W. Morgan 26th 22nd Kentucky;
42nd Ohio;
1st Wisconsin Battery		 Col. John F. DeCourcey Lt. Col. Philip Kershner
October, 1862 November, 1862 of the
Tennessee		 13th Maj. Gen. Ulysses Grant Gen. George W. Morgan 4th Col. John F. DeCourcey Lt. Col. Philip Kershner
November, 1862 December, 1862 of the
Tennessee		 13th Maj. Gen. William Sherman
(Right Wing)		 3rd Gen. George W. Morgan 3rd 22nd Kentucky;
42nd Ohio;
54th Indiana		 Col. John F. DeCourcey Lt. Col. Philip Kershner
December, 1862 January, 1863 of the Tennessee 13th Maj. Gen. William Sherman to December 22 (Right Wing);
Maj. Gen. John McClernand		 3rd Gen. George W. Morgan 3rd Col. John F. DeCourcey Lt. Col. Philip Kershner
to December 29, 1862 (captured);
Capt. Eli W. Botsford
January, 1863 February 3, 1863 of the
Mississippi		 13th Maj. Gen. John McClernand 2nd Gen. George W. Morgan 3rd 54th Indiana;
22nd Kentucky;
42nd Ohio		 Col. John F. DeCourcey Capt. Eli W. Botsford
February 4, 1863 July, 1863 of the
Tennessee		 13th Maj. Gen. John McClernand to June 19; Maj. Gen. Edward Ord 9th Gen. George W. Morgan to June 8;
Gen. Peter Osterhaus		 2nd 22nd Kentucky;
42nd Ohio;
54th Indiana
114th Ohio		 Col. John F. DeCourcey
to February 18, 1863;
Col. Lionel A. Sheldon
to ????;
Col. Daniel W. Lindsey		 Capt. Eli W. Botsford
to March 18, 1863;
Maj. Eli W. Botsford
to June 3, 1863;
Maj. Milton Mills (returned from parole)
July, 1863 August, 1863 of the
Tennessee to August 7;
of the Gulf		 13th Maj. Gen. Edward Ord to August 7;
Maj. Gen. Cadwallader Washburn		 1st 4th 114th Ohio Maj. Milton Mills
August, 1863 March, 1864 of the Gulf 13th Maj. Gen. Cadwallader Washburn to September 15;
Maj. Gen. Edward Ord to October 20; Maj. Gen. Washburn to October 26; Maj. Gen. Napoleon Dana to January 9, 1864; Maj. Gen. Ord to February 23; Maj. Gen. John McClernand to March 15		 1st 3rd 120th Ohio to November, 1863;
114th Ohio		 Maj. Milton Mills
to October 29, 1863;
Lt. Col. Philip Kershner (returned from parole)
March, 1864 June, 1864 of the Gulf
to June 11;
disbanded		 13th Brig. Gen. Thomas Ransom to April 8;
Brig. Gen. Robert Cameron to April 27;
Maj. Gen. John McClernand to May 5;
Brig. Gen. Michael Lawler to May 9;
Brig. Gen. William Benton to June 11		 1st 2nd 120th Ohio;
114th Ohio		 Lt. Col. Philip Kershner to June 24, 1864;
Capt. William M. Ross
June, 1864 October, 1864 19th Maj. Gen. Joseph. J. Reynolds from August 6 (?) 3rd Brig. Gen. Micahel Lawler from August 6 (?) 2nd 120th Ohio to August 22;
24th Indiana from August 22;
69th Indiana;
114th Ohio;
97th Illinois
 Capt. William M. Ross to August 7, 1864;
Lt. Col. Philip Kershner
History of Three Year Regiment Company Details Index 16th OVI Home Page Company Rosters