Federal Regiment

3rd Indiana Cavalry

Organized: Madison, IN; mustered in 22 August 1861

Commanding Officer on the Antietam Campaign:
Maj. George H. Chapman

This Regiment's Chain of Command:
  Army - Army of the Potomac
  Division - Cavalry Division
  Brigade - 2nd Brigade, Cavalry Division

Unit history

6 Companies - A to F - were formed at Madison in August 1861, originally intended for the First Indiana Cavalry regiment. They were designated the 3rd Cavalry and assigned to the Army of the Potomac on 22 October 1861. These Companies were known as the East or Right Wing or Battalion of the Regiment, and it was they who were on the Maryland Campaign of 1862.

Companies G, H, I, and K were formed between October and December 1861 and were assigned to the Army of the Ohio in the Western Theater. Companies L (est. October 1862) and M (December 1862) were added later. These 6 Companies were the West (or Left) Wing of the regiment. The were eventually transferred to the 8th Indiana Cavalry.

Battlefield Tablets for this Unit

Tablet #122: Army of the Potomac - 17 Sep, 10 AM to 17 Sep, 6 PM
Tablet #21: Cavalry Division - 17 Sep, 6 AM to 17 Sep, 8 PM
Tablet #90: Second Brigade, Cavalry Division - 17 Sep, 6 AM to 17 Sep, 8 PM
Tablet #121: Army of the Potomac - 17 Sep, 8 AM to 17 Sep, 6 PM

We have 12 individuals in the AotW database who were on the Maryland Campaign with this unit:

Co.	Rank	Name	Casualty?
A	Sgt	Fallis, David A.	KIA 09/08
A	Pvt	Quinn, James	MWIA 09/13
B	Pvt	Hanna, William A.	MWIA 09/00
B	Pvt	Wiseman, Henry W.	Died (d) 10/13
D	Corp	Buchanan, Pleasant	Died (d) 11/01
D	Pvt	Trester, Oliver H.	MWIA 09/13
E	Pvt	Day, Thomas Groves
E	Sgt	Lewis, Joseph	KIA 09/13
E	Pvt	Seever, Smyrna W.	MWIA 09/13
F	Corp	Pickerill, William Nimon
F	Corp	Williamson, James W.	KIA 09/13
F&S	Maj	Chapman, George Henry

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