Battle of Pea Ridge order of battle: Union

The following Union Army units and commanders fought in the Battle of Pea Ridge (or Battle of Elkhorn Tavern) of the American Civil War in Pea Ridge, Arkansas on March 6-8, 1862. The Confederate order of battle is shown separately.

Abbreviations used

Military rank

• BG = Brigadier General
• Col = Colonel
• Ltc = Lieutenant Colonel
• Maj = Major
• Cpt = Captain
• Lt = 1st Lieutenant

Other

• w = wounded
• k = killed
• c = captured

Army of the Southwest

BG Samuel R. Curtis

Headquarters Units:

• 24th Missouri (5 companies): Maj Eli W. Weston
• 3rd Iowa Cavalry (Companies A, B, F, H and I): Col Cyrus Bussey
• Bowen’s Missouri Cavalry Battalion (Companies A, B, C, D and M, with 4 mountain howitzers): Maj William D. Bowen

First and Second Divisions

BG Franz Sigel

Division	Brigade	Regiments and Other
First Division      Col Peter J. Osterhaus	First Brigade    Col Peter J. Osterhaus	25th Illinois: Col William N. Coler 44th Illinois: Col Charles Knobelsdorff 17th Missouri (Company A detached): Maj August H. Poten
	Second Brigade    Col Nicholas Gruesel	36th Illinois (Company F detached): Col Nicholas Gruesel 12th Missouri (Company E detached): Maj Hugo Wangelin
	Artillery	4th Independent Battery, Ohio Light Artillery: Cpt Louis Hoffman Welfley’s Independent Battery, Missouri Light Artillery: Cpt Martin Welfley
Second Division      BG Alexander Asboth (w)	First Brigade    Col Frederick Schaefer	2nd Missouri: Ltc Bernard Laiboldt 15th Missouri (Company B detached): Col Francis J. Joliat
	Artillery	1st Missouri Flying Artillery Battery: Cpt Gustavus M. Elbert 2nd Independent Battery, Ohio Light Artillery: Lt William B. Chapman
	Not Brigaded	3rd Missouri Infantry (Companies B, C and E): Maj Joseph Conrad 4th Missouri Cavalry (Companies A, C, D, E, F and I): Maj Emeric Meszaros 5th Missouri Cavalry: Col Joseph Nemett

Divisions Reporting Directly

Division	Brigade	Regiments and Other
Third Division      Col Jefferson C. Davis	First Brigade    Col Thomas Pattison	8th Indiana: Col William P. Benton 18th Indiana: Ltc Henry D. Washburn 22nd Indiana (Company B detached): Ltc John A. Hendricks (k), Maj David W. Daily, Jr. 1st Battery Indiana Light Artillery: Cpt Martin Klauss
	Second Brigade    Col Julius White	37th Illinois: Ltc Myron Barnes 59th Illinois: Ltc Calvin H. Frederick Battery A, 2nd Illinois Light Artillery: Cpt Peter Davidson
	Not Brigaded	1st Missouri Cavalry (Companies B, F, G, H, I, K, L, and M): Col Calvin A. Ellis
Fourth Division      Col Eugene A. Carr (w)	First Brigade    Col Grenville M. Dodge (w)	4th Iowa: Ltc John Galligan (w) 35th Illinois: Col Gustavus A. Smith (w), Ltc William P. Chandler (w) 3rd Illinois Cavalry: Maj John McConnell 1st Independent Battery, Iowa Light Artillery: Cpt Junius A. Jones (w), Lt Virgil A. David
	Second Brigade    Col William Vandever	9th Iowa: Ltc Francis J. Herron (w/c), Maj William H. Coyl (w) 25th Missouri: Col John S. Phelps (w) 3rd Independent Battery, Iowa Light Artillery: Cpt Mortimer M. Hayden

References

• Pea Ridge National Military Park website (Order of Battle)
• Shea, William L. & Earl J. Hess. Pea Ridge: Civil War Campaign in the West. Chapel Hill: The University of North Carolina Press, 1992 ISBN 0-8078-2042-3: pages 331-339.