Order of Battle – USA

FIRST BULL RUN CAMPAIGN

ORDER OF BATTLE

Union

B = Biographical Sketch, MH = Medical History, MOH = Medal of Honor, News = Newspaper Account, OC = Official Correspondence, OR = Official Report, PC = Private Correspondence, T = JCCW Testimony

Bvt. Lt. Gen. Winfield Scott, General-in-Chief (News, T)

McDowell’s Army (aka Army of Northeastern Virginia)

Brig. Gen. Irvin McDowell (B, OC, OR1, OR2, T1, T2)

Acting Assistant Adjutant General (AAAG)

• Capt. James B. Fry

Acting Assistant Quartermaster (AAQ)

• Capt. O. H. Tillinghast (MW)

Commissary

• Capt. H. F. Clarke, Chief of Subsistence Department (OR)
• Lieut. George Bell, Acting Commissary Subsistence (OR)
• Lieut. James Curtis(s), Acting Commissary Subsistence (OR)
• Lieut. John P. Hawkins, Acting Commissary of Subsistence (OR)

Signal Officers

• Maj. Albert Myer
• Maj. Malcolm McDowell (Ass’t)

Engineers

• Maj. J. G. Barnard, Chief (B, OR, T)
• Capt. A. W. Whipple, Topographical Engineer
• 2nd Lt. H. S. Putnam, Topographical Engineer

Medical

• Surgeon W. S. King (OR)
• Assist Surgeon Magruder

Artillery

• Maj. W. F. Barry, 5th Artillery (OR, T)

Ordnance

• Lt. Geo. C. Strong

Acting Inspector General (AIG)

• Maj. W. H. Wood, (17th US Inf)

Aides-de-camp (ADC)

• 1st Lt. H. W. Kingsbury, Fifth Artillery (B)
• 2nd Lt. Guy V. Henry
• Maj. Clarence S. Brown, New York Militia
• Maj. James S. Wadsworth, New York Militia (T)

First Division 

Brig. Gen. Daniel Tyler (B, OR1, OR2, T1, T2)

• Capt. A. Baird, AAAG
• Capt. Merrill, AAQ
• Capt. B. S. Alexander, Chief Engineer
• 1st Lt. H. L. Abbot, Topographical Engineer/ADC
• Lt. J. C. Audenried, ADC
• Lt. D. C. Houston, ADC
• Lt. P. H. O’Rorke, ADC (PC)
• Lt. E. Upton, ADC

First Brigade

Col. Erasmus D. Keyes (OR, T)

• Lt. H. A. Hascall, AAAG
• Lt. (H. C.?) Hodge(s?), AAQ
• Lt. Ely, Commissary
• Lt. Gordon, ADC
• Lt. Walter, ADC

2nd MEVI

• Col. Chalres D. Jameson (OR)

1st CTVI

• Col. G. S. Burnham (OR)
  • Lt. Col. Speidel

2nd CTVI   

• Col. A. H. Terry 

3rd CTVI

• Col. J. L. Chatfield (B, OR)

Second Brigade

Brig. Gen. Robert C. Schenck (OR)

2nd NYSM (Later 82nd NYVI)

• Col. G. W. B. Tompkins

1st OHVI (3 Month)

• Col. Alexander McD. McCook

2nd OHVI (3 Month) – Lt. Col. R. Mason (Col. Lewis Wilson) 

• Col. Lewis Wilson
• Lt. Col. R. Mason

Battery E, 2nd US Artillery (6 Guns) 

• Capt. J. H. Carlisle (OR)
• Lt. John M. Wilson (OR)
• Lt. Stephen C. Lyford (OR)
• Lt. Edward B. Hill (OR)
• Lt. William B. D. Fuller (OR)

Battery G, 1st US Artillery (1 Gun) 

• Lt. Peter C. Hains

Third Brigade

Col. W. T. Sherman (B, News, OR, PC1, PC2)

• Lt. A. Piper, AAAG 
• Lt. J. F. McQuesten, AAQ
• Col. Coon, (WI), ADC
• Lt. Bagley, ADC

13th NYVI

• Col. I. F. Quinby

69th NYSM

• Col. M. Corcoran (W&C) (PC)
• Capt. J. Kelly (OR)

79th NYVI (PC)

• Col. J. Cameron (K)

2nd WIVI

• Col. Park S. Coon
• Lt. Col. H. W.Peck

Battery E, 3rd US Artillery (Sherman’s Battery) (6 Guns) (News)

• Capt. R. B. Ayres (B, OR)

Fourth Brigade

Col. Israel B. Richardson (OR1, OR2, T)

• Lt. R. L. Eastman, AAAG
• Lt. C. H. Brightly, AAQ
• 1st Lt. Frederick E. Prime, Engineer
• Cadet J. T. Meigs, ADC

1st MAVI

• Col. R. Cowdin

12th NYVI

• Col. E. L. Walrath

2nd MIVI

• Maj. A. W. Williams

3rd MIVI

• Col. D. McConnell (I)
• Lt. Col. Stevens
• Maj. Stephen G.Champlin (T)

Battery M, 2nd US Artillery (4 Guns)

• Capt. H. J. Hunt (OR)

Battery G., 1st US Artillery (2 Guns)

• Lt. J. Edwards (OR)

Second Division

Col. David Hunter (W) (OR); Col. Andrew Porter (OR)

• Lt. S. W. Stockton, ADC
• Capt. W.D. Whipple, AAAG
• Capt. D. P. Woodbury, Engineer
• Hon. J. W. Arnold, ADC
• Lt. Cross, ADC
• Lt. D. W. Flagler, ADC

First Brigade

Col. Andrew Porter (OR, T)

• Lt. W. W. Averell, AAAG (T)
• Lt. J. B. Howard, AAQ
• Lt. Bache, ADC
• Lt. Trowbridge, ADC

8th NYSM

• Col. G. Lyons (OR)

14th NYSM (News)

• Col. A. M. Wood (W)
• Lt. Col. E. B. Fowler (OR)
  • Company D – Pvt. John C. Brown (B, PC)
  • Company I – Pvt. Lewis Francis (MH)

27th NYVI

• Col. H. W. Slocum (W) (T)
• Maj. J. J. Bartlett (OR)

US Infantry Battalion (8 Cos: C, G, 2nd US; B, D, G, H, K, 3rd US; G, 8th US)

• Maj. G. Sykes (OR)

US Marine Corps Battalion

• Maj. J. G. Reynolds (OR)

US Cavalry Battalion (7 Cos: A, E, 1st US; B, E, G, I, 2nd US; K, 2nd US Dragoons)

• Maj. I. N. Palmer (OR)

Company D, 5th US Artillery (6 Guns)

• Capt. C. Griffin (OR, T)
  • Lt. Charles E. Hazlett (T)
  • Lt. Horatio B. Reed (T)

Second Brigade

Col. Ambrose E. Burnside (OR)

• Lt. Merriman, AAAG
• Capt. Anson, AAQ
• Capt. Goohue, Commissary
• Lt. Beaumont, ADC
• Capt. Woodbury, ADC
• Gov. Sprague, ADC

2nd NHVI

• Col. G. Marston (W)
• Lt. Col. F. S. Fiske (OR)

1st RIVI

• Maj. J. P. Balch (OR)

2nd RIVI

• Col. J. S. Slocum (K)
• Lt. Col. F. Wheaton (OR)
  • Maj. Sullivan Ballou (K) (PC)
    • Reynolds’ Battery of 6 13 lb. James Rifles

71st NYSM

• Col. H. P. Martin (OR)
  • 2 Boat Howitzers

Third Division

Col. Samuel P. Heintzelman (W) (OR, T)

• Capt. Chauncey McKeever, AAAG
• Capt. Horatio Wright, Chief Engineer
• Lt. Fairbanks, ADC
• Lt. F. U. Farquhar, ADC
• Lt. George W. Snyder, ADC
• Lt. Sweet, ADC

First Brigade

Col. William B. Franklin (OR, T)

• Capt. Walworth Jenkins, AAG
• Lt. Charles H. Gibson, AAG
• Lt. Baker, ADC
• Lt. Hartranft, ADC

5th MAVI

• Col. S. C. Lawrence (W)

11th MAVI

• Col. G. Clark

1st MNVI

• Col. W. A. Gorman (OR)

4th PAVI

• Col. Hartranft (This regiment refused to advance on July 21, claiming its enlistments had expired.  Col. Hartranft joined the brigade staff.)

Company I, 1st US Artillery (6 Guns)

• Capt. J. B. Ricketts (W&C) (PC, T)
• Lieut. Edmund Kirby (OR)

Second Brigade

Col. Orlando B. Willcox (W&C) (OR1 OR2); Col. John Henry Hobart Ward (OR)

• Lt. Woodruff, AAAG
• Lt. J. R. Edie, ADC
• Lt. Francis H. Parker, ADC

11th NYVI (Fire Zouaves)

• Col. Noah Lane Farnham (MW)

38th NYVI

• Col. John Henry Hobart Ward
• Lt. Col. A. Farnsworth (OR)

1st MIVI

• Maj. Alonzo F. Bidwell (OR)

4th MIVI

• Col. Dwight A. Woodbury (not engaged – at Fairfax CH)

Company D, 2nd US Artillery (4 Guns)

• Capt. Richard Arnold (OR)
  • Lt. Barriger
  • Lt. Throckmorton

Third Brigade

Col. Oliver O. Howard (OR)

• Capt. Burt, AAAG
• Lt. Burt, AAQ
• Lt. D. H. Buel, ADC
• Lt. A. Mordecai, Jr., ADC
• C. H. Howard

3rd MEVI

• Maj. Henry G. Staples (OR)

4th MEVI

• Col. Hiram G. Berry (OR)

5th MEVI

• Col. Mark H. Dunnell (OR)

2nd VTVI

• Col. Henry Whiting (OR)

Fourth Division (Not Engaged)

Brig. Gen. Theodore Runyon

1st NJSM

• Col. A. J. Johnson

2nd NJSM

• Col. H. M. Baker

3rd NJSM

• Col. W. Napton

4th NJSM

• Col. M. Miller

1st NJVI

• Col. W. R. Montgomery (OR)

2nd NJVI

• Col. G. W. McLean

3rd NJVI

• Col. G. W. Taylor

41st NYVI

• Col. L. von Gilsa

Fifth Division

Col. Dixon S. Miles (OR)

• Capt. T. M. Vincent, AAAG
• Lt. John P. Hawkins, AAQ
• 1st Lt. Frederick E. Prime, Engineer
• Maj. Ritchie, ADC
• Lt. A. H. Cushing, ADC
• Lt. George H. Mendell, ADC
• Lt. McMillan, ADC

First Brigade (Held in reserve at Centreville – covered retreat)

Col. Louis Blenker (OR, T)

8th NYVI

• Lt. Col. J. Stahel

29th NYVI

• Col. A. von Steinwehr

39th NYVI

• Col. F. G. D’Utassy

27th PAVI

• Col. M. Einstein

Company A, 2nd US Artillery (4 Guns)

• Capt. J. C. Tidball

Brookwood’s (Varian’s) New York Battery (6 Guns of the 8th NYSM, manned by men from the 8th & 29th NYVI)

• Capt. C. Brookwood

2nd Brigade

Col. Thomas A. Davies (OR1, OR2, T)

• Lt. Cowdrey, AAAG
• Lt. Hopkins, AAQ
• Lt. Thomas C. Bradford, Commissary
• Lt. Howland, ADC

16th NYVI

• Lt. Col. S. Marsh (OR)

18th NYVI

• Col. W. A. Jackson

31st NYVI

• Col. C. E. Pratt (OR)
  • Surgeon Frank Hamilton (PC)

32nd NYVI

• Col. R. Matheson

Company G., 2nd US Artillery (4 Guns)

• Lt. O. D. Greene (OR)