Monocacy Union order of battle

The following Union Army units and commanders fought in the Battle of Monocacy of the American Civil War. The Confederate order of battle is shown separately.

Abbreviations used

Military rank

• MG = Major General
• BG = Brigadier General
• Col = Colonel
• Ltc = Lieutenant Colonel
• Maj = Major
• Cpt = Captain

Other

• w = wounded
• k = killed

VIII Corps (detachment)

MG Lewis Wallace

Brigade	Regiment or Other
First Brigade    BG Erastus B. Tyler	1st Maryland Potomac Home Brigade (5 companies): Cpt Charles J. Brown 3rd Maryland Potomac Home Brigade: Col Charles Gilpin 11th Maryland: Col William T. Landstreet 144th Ohio (3 companies): Col Allison L. Brown 149th Ohio (7 companies): Col Allison L. Brown Baltimore Artillery (6 guns): Cpt F. W. Alexander
Cavalry    Ltc David R. Clendenin	8th Illinois Cavalry: Ltc D.R. Clendenin 159th Ohio Infantry (detachment): Cpt Edward H. Leib Detachment Mixed Cavalry: Maj Charles H. Wells Loudoun Virginia Rangers

VI Corps (detachment)

Division	Brigade	Regiments and Other
Third Division    BG James Ricketts	First Brigade    Col William S. Truex (w)    Col W. Emerson	14th New Jersey: Ltc Caldwell K. Hall 106th New York: Cpt E. M. Paine 151st New York: Col William Emerson 87th Pennsylvania: Ltc James Alonzo Stahle 10th Vermont: Col William Wirt Henry (w)
	Second Brigade    Col Matthew R. McClennan	9th New York Heavy Artillery: Col William H. Seward, Jr. 110th Ohio: Ltc O. H. Brinkley 122nd Ohio (detachment): Ltc C. J. Gibson 126th Ohio: Ltc Aaron W. Ebright 138th Pennsylvania: Maj L. A. May

References

• Monacacy National Battlefield website
• Composition and losses of the Union Forces at the Battle of Monocacy. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies. United States War Department. Volume XXXVI, Chapter XLIX, pp. 201–203. (1891)