# Bristoe campaign order of battle: Union

The following units and commanders fought in the Bristoe campaign of the American Civil War on the Union side. The Confederate order of battle is shown separately. When multiple names of commanders are shown, this indicates the succession of command through the Campaign.

## Military rank abbreviations used

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

## Army of the Potomac

MG George G. Meade, Commanding

### General Staff and Headquarters

General Staff and Headquarters
* Chief of Staff: MG Andrew A. Humphreys
* Chief of Artillery: BG Henry J. Hunt
* Assistant Adjutant General: BG Seth Williams
* Chief Quartermaster: BG Rufus Ingalls
* Provost Marshal General: BG Marsena R. Patrick
** 80th New York (20th Militia): Ltc Jacob B. Hardenbergh
** 93rd New York: Ltc Benjamin C. Butler
** 2nd Pennsylvania Cavalry: Ltc Joseph B. Printon
** 6th Pennsylvania Cavalry (detachment)
** Detachments Regular Cavalry and Volunteer Cavalry
* Engineer Brigade: BG Henry W. Benham
** 15th New York (battalion): Capt Joseph Wood Jr.
** 50th New York: Col William H. Pettes
** U.S. Battalion: Capt George H. Mendell
* Guards and Orderlies
** Oneida (New York) Cavalry: Capt Daniel P. Mann
* Signal Corps: Capt Lemuel B. Norton

### I Corps

* MG John Newton
* Escort: 4th and 16th Pennsylvania Cavalry (detachments)
| Division | Brigade | Regiments and others |
| First Division:   BG Lysander Cutler | 1st Brigade ("Iron Brigade"):   Col William W. Robinson | 19th Indiana: Col Samuel J. Williams 24th Michigan: Col Henry A. Morrow 1st New York Sharpshooters (battalion): Cpt Joseph C. Arnold 2nd Wisconsin: Ltc John Mansfield 6th Wisconsin: Col Edward S. Bragg 7th Wisconsin: Maj Mark Finnicum |
| First Division:   BG Lysander Cutler | 2nd Brigade:   BG James C. Rice | 7th Indiana: Col Ira G. Grover 76th New York: Maj John W. Young 84th New York ("14th Brooklyn Militia"): Col Edward B. Fowler 95th New York: Maj Edward Pye 147th New York: Maj George Harney 56th Pennsylvania: Ltc George B. Osborn |
| Second Division:   BG John C. Robinson | 1st Brigade:   Col Thomas F. McCoy | 16th Maine: Ltc Charles W. Tilden 13th Massachusetts: Col Samuel H. Leonard 39th Massachusetts: Col Phineas Stearns Davis 94th New York: Maj Samuel A. Moffett 104th New York: Col Gilbert G. Prey 107th Pennsylvania: Maj Henry J. Shaefer |
| Second Division:   BG John C. Robinson | 2nd Brigade:   BG Henry Baxter | 12th Massachusetts: Maj Benjamin F. Cook 83rd New York (9th Militia): Col Joseph A. Moesch 97th New York: Maj Charles Northrup 11th Pennsylvania: Col Richard Coulter 88th Pennsylvania: Cpt Edmund Y. Patterson 90th Pennsylvania: Ltc William A. Leech |
| Third Division:   BG John R. Kenly | 1st Brigade:   Col Chapman Biddle | 121st Pennsylvania: Ltc Alexander Biddle 142nd Pennsylvania: Ltc Alfred. B. McCalmont |
| Third Division:   BG John R. Kenly | 2nd Brigade:   Col Langhorne Wister | 143rd Pennsylvania: Col Edmund L. Dana 149th Pennsylvania: Ltc Walton Dwight 150th Pennsylvania: Cpt Horatio Bell |
| Third Division:   BG John R. Kenly | 3rd Brigade:   Col Nathan T. Dushane | 1st Maryland: Ltc John W. Wilson 4th Maryland: Col Richard N. Bowerman 7th Maryland: Col Edwin H. Webster 8th Maryland: Col Andrew W. Denison |
| | Artillery Brigade:   Col Charles S. Wainwright | 2nd Maine Light: Cpt James A. Hall 5th Maine Light: Cpt Greenlief T. Stevens 1st New York Light, Battery E & Battery L: Cpt Gilbert H. Reynolds 1st Pennsylvania Light, Battery B: Cpt James H. Cooper 4th US, Battery B: Lt James Stewart |

### II Corps

* MG Gouverneur K. Warren (temporarily absent; returned October 12)
* BG John C. Caldwell
* Escort:
** 10th New York Cavalry, Company M: Lt James Matthews
** 13th Pennsylvania Cavalry, Company G: Lt Robert Brown
| Division | Brigade | Regiments and others |
| First Division:   BG John C. Caldwell   Col Paul A. Frank | 1st Brigade:   Col Nelson A. Miles | 61st New York: Ltc K. Oscar Broady 81st Pennsylvania: Col H. Boyd McKeen 140th Pennsylvania: Col John Fraser |
| First Division:   BG John C. Caldwell   Col Paul A. Frank | 2nd Brigade ("Irish Brigade"):   Col Patrick Kelly | 28th Massachusetts: Col Richard Byrnes 63rd New York: Capt Thomas Touhy 69th New York: Cpt Richard Moroney 88th New York: Cpt Denis F. Burke 116th Pennsylvania: Cpt Seneca G. Willauer |
| First Division:   BG John C. Caldwell   Col Paul A. Frank | 3rd Brigade:   Col Paul A. Frank   Col James A. Beaver | 52nd New York: Ltc Charles G. Freudenberg 57th New York: Ltc Alford B. Chapman 66th New York: Ltc John S. Hammell 148th Pennsylvania: Col James A. Beaver, Maj George A. Fairlamb |
| First Division:   BG John C. Caldwell   Col Paul A. Frank | 4th Brigade:   Col John R. Brooke | 2nd Delaware: Ltc David L. Stricker 64th New York: Maj Leman W. Bradley 53rd Pennsylvania: Capt Henry S. Dimm 145th Pennsylvania: Col Hiram L. Brown |
| Second Division:   BG Alexander S. Webb | 1st Brigade:   Col Francis E. Heath | 19th Maine: Ltc Henry W. Cunningham 15th Massachusetts: Ltc George C. Joslin 1st Minnesota: Maj Mark W. Downie 82nd New York (2nd Militia): Maj Thomas W. Baird |
| Second Division:   BG Alexander S. Webb | 2nd Brigade "Philadelphia Brigade":   Col De Witt C. Baxter | 69th Pennsylvania: Maj James Duffie 71st Pennsylvania: Col Richard PennSmith 72nd Pennsylvania: Ltc Theodore Hesser 106th Pennsylvania: Ltc William L. Curry |
| Second Division:   BG Alexander S. Webb | 3rd Brigade:   Col James E. Mallon (k) | 19th Massachusetts: Ltc Ansel D. Wass 20th Massachusetts: Maj Henry L. Abbott 7th Michigan: Maj Sylvanus W. Curtis 42nd New York: Cpt Robert C. Wright 59th New York: Cpt Horace P. Rugg |
| Third Division:   BG Alexander Hays | 1st Brigade ("Gibraltar Brigade"):   Col Samuel S. Carroll | 14th Indiana: Col John Coons 4th Ohio: Maj Gordon A. Stewart 8th Ohio: Ltc Franklin Sawyer 7th West Virginia (battalion): Ltc Jonathan H. Lockwood |
| Third Division:   BG Alexander Hays | 2nd Brigade:   Col Thomas A. Smyth | 14th Connecticut: Col Theodore G. Ellis 1st Delaware: Ltc Edward P. Harris 12th New Jersey: Col J. Howard Willets 10th New York (battalion): Maj George F. Hopper 108th New York: Col Charles J. Powers |
| Third Division:   BG Alexander Hays | 3rd Brigade:   BG Joshua T. Owen | 39th New York: Maj Hugo Hildebrandt 111th New York: Col Clinton D. MacDougall 125th New York: Col Levin Crandell 126th New York: Col James M. Bull |
| | Artillery Brigade:   Cpt John G. Hazard | 1st New York Light, Battery G: Cpt Nelson Ames 1st Ohio Light, Battery H: Cpt James F. Huntington 1st Pennsylvania Light, Batteries F and G: Cpt R. Bruce Ricketts 1st Rhode Island Light, Battery A: Cpt William A. Arnold 1st Rhode Island Light, Battery B: Cpt Thomas Frederick Brown 1st US Light, Battery I: Lt Frank L. French |

### III Corps

* MG William H. French
| Division | Brigade | Regiments and others |
| First Division:   MG David B. Birney | 1st Brigade:   Col Charles H. T. Collis | 57th Pennsylvania: Col Peter Sides 63rd Pennsylvania: Maj John A. Danks 68th Pennsylvania: Col Andrew H. Tippin 105th Pennsylvania: Col Calvin A. Craig 114th Pennsylvania: Maj Edward R. Bowen 141st Pennsylvania: Cpt Edwin A. Spaulding |
| First Division:   MG David B. Birney | 2nd Brigade:   BG John Henry Hobart Ward | 3rd Maine: Col Moses B. Lakeman 4th Maine: Col Elijah Walker, 86th New York: Maj Michael B. Stafford 124th New York: Ltc Francis M. Cummins 99th Pennsylvania: Ltc Edwin Ruthwin Biles 2nd US Sharpshooters: Ltc Homer R. Stoughton |
| First Division:   MG David B. Birney | 3rd Brigade:   Col P. Régis de Trobriand | 17th Maine: Ltc Charles B. Merrill 3rd Michigan: Col Byron R. Pierce 5th Michigan: Ltc John Pulford 40th New York: Col Thomas W. Egan 110th Pennsylvania: Maj Isaac Rogers 1st US Sharpshooters: Ltc Casper Trepp |
| Second Division:   BG Henry Prince | 1st Brigade:   Col Robert McAllister | 11th Massachusetts: Ltc Porter D. Tripp 16th Massachusetts: Ltc Waldo Merriam 11th New Jersey: Ltc John Schoonover 26th Pennsylvania: Maj Robert L. Bodine 84th Pennsylvania: Ltc Milton Opp |
| Second Division:   BG Henry Prince | 2nd Brigade ("Excelsior Brigade"):   Col William R. Brewster | 70th New York: Col J. Egbert Farnum 71st New York: Maj Thomas Rafferty 72nd New York: Ltc John Leonard 73rd New York: Ltc Michael W. Burns 74th New York: Maj Henry M. Alles 120th New York: Cpt Abram L. Lockwood |
| Second Division:   BG Henry Prince | 3rd Brigade:   BG Gershom Mott | 5th New Jersey: Col William J. Sewell 6th New Jersey: Col George C. Burling 7th New Jersey: Maj Frederick Cooper 8th New Jersey: Col John Ramsey 115th Pennsylvania: Ltc John P. Dunne |
| Third Division:   BG Joseph B. Carr | 1st Brigade:   BG William H. Morris | 14th New Jersey: Col William Snyder Truex 151st New York: Ltc Erwin A. Bowen 10th Vermont: Col Albert B. Jewett |
| Third Division:   BG Joseph B. Carr | 2nd Brigade:   Col Joseph Warren Keifer | 6th Maryland: Col John Watt Horn 110th Ohio: Maj Otho H. Binkley 122d Ohio: Col William H. Ball 138th Pennsylvania: Col Matthew R. McClennan |
| Third Division:   BG Joseph B. Carr | 3rd Brigade:   Col Benjamin F. Smith | 106th New York: Maj Andrew N. McDonald 126th Ohio: Ltc William H. Harlan 67th Pennsylvania: Cpt Samuel Barry 87th Pennsylvania: Col John W. Schall |
| | Artillery Brigade:   Cpt George E. Randolph | 4th Battery Maine Light: Cpt O'Neil W. Robinson Jr. 10th Massachusetts Light Battery: Cpt J. Henry Sleeper 1st New Jersey Light, Battery B: Cpt A. Judson Clark 1st New York Light, Battery D: Cpt George B. Winslow 12th Battery New York Light: Lt George K. Dauchy 1st Rhode Island Light, Battery E: 4th US, Battery K: Lt Robert James |

### V Corps

* MG George Sykes
* Escort: 5th Michigan Cavalry (squadron): Lt Samuel Harris
* Provost Guard: 12th New York (Companies D and E): Cpt Henry W. Ryder
| Division | Brigade | Regiments and others |
| First Division:   BG Charles Griffin | 1st Brigade:   Col Joseph Hayes | 18th Massachusetts: Maj William B. White 22nd Massachusetts: Col William S. Tilton 1st Michigan: Ltc William A. Throop 118th Pennsylvania: Maj Charles P. Herring |
| First Division:   BG Charles Griffin | 2nd Brigade:   Col Jacob B. Sweitzer | 9th Massachusetts: Col Patrick R. Guiney 32nd Massachusetts: Col George L. Prescott 4th Michigan: Ltc George W. Lumbard 62nd Pennsylvania: Ltc James C. Hull |
| First Division:   BG Charles Griffin | 3rd Brigade:   Col Joshua L. Chamberlain | 20th Maine: Maj Ellis Spear 16th Michigan: Cpt George H. Swan 44th New York: Ltc Freeman Conner 83rd Pennsylvania: Maj William H. Lamont |
| Second Division:   BG Romeyn B. Ayres | 1st Brigade:   Col Sidney Burbank | 2nd U.S. (6 companies): Cpt James W. Long 3rd U.S. (6 companies): Maj William E. Prince 11th U.S.: Maj Jonathan W. Gordon 12th U.S.: Maj Luther B. Bruen 14th U.S.: Capt Edward Mck. Hudson 17th U.S.: Ltc James D. Greene |
| Second Division:   BG Romeyn B. Ayres | 3rd Brigade:   BG Kenner Garrard | 140th New York: Col George Ryan 146th New York (Zouaves): Col David T. Jenkins 91st Pennsylvania: Col Edgar M. Gregory 155th Pennsylvania: Maj Alfred L. Pearson |
| Third Division:   Col William McCandless | 1st Brigade:   Col William C. Talley | 1st Pennsylvania Reserves: Ltc William W. Stewart 2nd Pennsylvania Reserves: Maj Patrick C. Donough 6th Pennsylvania Reserves: Col Wellington H. Ent 13th Pennsylvania Reserves: Maj William R. Hartshorne |
| Third Division:   Col William McCandless | 3rd Brigade:   Col Martin D. Hardin | 5th Pennsylvania Reserves: Ltc George Dare 9th Pennsylvania Reserves: Ltc James M. Snodgrass 10th Pennsylvania Reserves: Ltc James B. Knox 11th Pennsylvania Reserves: Col Samuel M. Jackson 12th Pennsylvania Reserves: Ltc Richard Gustin |
| | Artillery Brigade:   Cpt Augustus Pearl Martin | 3rd Battery Massachusetts Light: Lt Aaron F. Walcott 5th Battery Massachusetts Light: Cpt Charles A. Phillips 1st New York Light, Battery C: Cpt Almont Barnes 1st Ohio Light, Battery L: Cpt Frank C. Gibbs 5th US, Battery D: Lt Benjamin F. Rittenhouse |

### VI Corps

* MG John Sedgwick
* Escort: 1st Vermont Cavalry (detachment): Capt Andrew J. Grover
| Division | Brigade | Regiments and others |
| First Division:   BG Horatio G. Wright | 1st Brigade (First New Jersey Brigade):   BG Alfred T. A. Torbert | 1st New Jersey: Ltc William Henry Jr. 2nd New Jersey: Col Samuel L. Buck 3rd New Jersey: Col Henry W. Brown 4th New Jersey: Ltc Charles Ewing 15th New Jersey: Col William H. Penrose |
| First Division:   BG Horatio G. Wright | 2nd Brigade:   BG Joseph J. Bartlett | 5th Maine: Col Clark S. Edwards 121st New York: Col Emory Upton 95th Pennsylvania: Ltc Edward Carroll 96th Pennsylvania: Ltc William H. Lessig |
| First Division:   BG Horatio G. Wright | 3rd Brigade:   BG David Allen Russell | 6th Maine: Col Benjamin F. Harris 49th Pennsylvania: Ltc Thomas M. Hulings 119th Pennsylvania: Col Peter C. Ellmaker 5th Wisconsin: Col Thomas S. Allen |
| Second Division:   BG Albion P. Howe | 2nd Brigade ("Vermont Brigade"):   Col Lewis A. Grant | 2nd Vermont: Col James H. Walbridge 3rd Vermont: Col Thomas O. Seaver 4th Vermont: Ltc George P. Foster 5th Vermont: Maj Charles P. Dudley 6th Vermont: Col Elisha L. Barney |
| Second Division:   BG Albion P. Howe | 3rd Brigade:   BG Thomas H. Neill | 7th Maine: Col Edwin C. Mason 43rd New York: Col Benjamin F. Baker 49th New York: Col Daniel D. Bidwell 77th New York: Ltc Winsor B. French 61st Pennsylvania: Ltc George F. Smith |
| Third Division:   BG Henry D. Terry | 1st Brigade:   BG Alexander Shaler | 65th New York: Col Joseph E. Hamblin 67th New York: Col Nelson Cross 122nd New York: Ltc Augustus Wade Dwight 23rd Pennsylvania: Col John Ely 82nd Pennsylvania: Col Isaac C. Bassett |
| Third Division:   BG Henry D. Terry | 2nd Brigade:   BG Henry L. Eustis | 7th Massachusetts: Col Thomas D. Johns 10th Massachusetts: Ltc Joseph B. Parsons 2nd Rhode Island: Col Horatio Rogers Jr. |
| Third Division:   BG Henry D. Terry | 3rd Brigade:   BG Frank Wheaton | 62nd New York: Col David J. Nevin 93rd Pennsylvania: Ltc John S. Long 98th Pennsylvania: Col John F. Ballier 102nd Pennsylvania: Col John W. Patterson 139th Pennsylvania: Ltc William H. Moody |
| | Artillery Brigade:   Col Charles H. Tompkins | 1st Massachusetts Light, Battery A: Cpt William H. McCartney 1st Battery New York Light: Cpt Andrew Cowan 3rd Battery New York Light: Cpt William A. Harn 1st Rhode Island, Battery C: Cpt Richard Waterman 1st Rhode Island, Battery G: Cpt George W. Adams 5th US, Battery F: Lt Leonard Martin 5th US, Battery M: Cpt James McKnight |

### Cavalry Corps

* MG Alfred Pleasonton
* Headquarters Guard: 6th US: Maj Robert M. Morris
| Division | Brigade | Regiments and others |
| First Division:   BG John Buford | 1st Brigade:   Col George H. Chapman | 8th Illinois: Maj John L. Beveridge 12th Illinois: Cpt Henry L. Reans 3rd Indiana: Maj William S. McClure 8th New York: Maj William H. Benjamin |
| First Division:   BG John Buford | 2nd Brigade:   Col Thomas Devin | 4th New York: Ltc Augustus Pruyn 6th New York: Maj William P. Hall 9th New York: Col William Sackett 17th Pennsylvania: Ltc Coe Durland 3rd West Virginia, Companies A & C: Maj Seymour B. Conger |
| Second Division:   BG David McM. Gregg | 1st Brigade:   Col John P. Taylor | 1st Maryland: Maj Charles H. Russell 1st Massachusetts: Col Horace B. Sargent 1st New Jersey: Col Percy Wyndham 6th Ohio: Ltc William Stedman 1st Pennsylvania: Ltc David Gardner 3rd Pennsylvania: Cpt James W. Walsh 1st Rhode Island: Col John L. Thompson |
| Second Division:   BG David McM. Gregg | 2nd Brigade:   Col John Irvin Gregg | District of Columbia, Independent Company: Cpt William H. Orton 1st Maine: Col Charles H. Smith 10th New York: Maj Mathew Henry Avery 4th Pennsylvania: Maj George H. Covode 8th Pennsylvania: Col Pennock Huey 13th Pennsylvania: Ltc Garrick Mallery Jr. 16th Pennsylvania: Ltc John K. Robison |
| Third Division:   BG Judson Kilpatrick | 1st Brigade:   BG Henry E. Davies Jr. | 2nd New York: Ltc Otto Harhaus 5th New York: Maj John Hammond 18th Pennsylvania: Maj Harvey B. VanVorhis 1st West Virginia (10 companies): Maj Charles E. Capehart |
| Third Division:   BG Judson Kilpatrick | 2nd Brigade ("Michigan Brigade"):   BG George A. Custer | 1st Michigan: Col Charles H. Town 5th Michigan: Col Russell A. Alger 6th Michigan: Ltc Henry E. Thompson 7th Michigan: Col William D. Mann 1st Vermont: Col Edward B. Sawyer |
| Third Division:   BG Judson Kilpatrick | Headquarters Guard | 1st Ohio, Companies A & C: Cpt Noah Jones |
| | Reserve Brigade:   BG Wesley Merritt | 6th Pennsylvania: Maj Henry C. Whelam 1st US: Cpt Marcus A. Reno 2nd US: Cpt George A. Gordon 5th US: Cpt Abraham K. Arnold |
| | unattached | 19th New York (1st Dragoons): Col Alfred Gibbs |
| Horse Artillery | 1st Brigade:   Capt James M. Robertson | 6th Battery New York Light: Cpt Joseph W. Martin 2nd US, Batteries B and L: Lt Albert O. Vincent 2nd US, Battery D: Lt Edward B. Williston 2nd US, Battery M: Lt Alexander C. M. Pennington Jr. 4th US, Battery A: Lt Horatio B. Reed 4th US, Battery E: Cpt Samuel S. Elder |
| Horse Artillery | 2nd Brigade:   Cpt William M. Graham | 9th Battery Michigan Light: Cpt Jabez J. Daniels 1st US, Batteries E & G: Lt Egbert W. Olcott 1st US, Battery K: Lt John Egan 2nd US, Battery A: Lt Robert Clarke 2nd US, Battery G: Lt John H. Butler 3rd US, Battery C: Cpt Dunbar R. Ransom |

### Artillery Reserve

* BG Robert O. Tyler
| Brigade | Batteries |
| 1st Regular Brigade:   Cpt Alanson M. Randol | 1st US, Battery H: Lt Philip D. Mason 3rd US, Batteries F & K: Lt George F. Barstow 4th US, Battery C: Lt Charles L. Fitzhugh |
| 1st Volunteer Brigade:   Ltc Freeman McGilvery | 6th Maine Light: Lt William H. Rogers 9th Battery Massachusetts Light : Cpt John Bigelow 4th Battery New York Light : Lt Thomas Goodman Pennsylvania Light, Battery C and Battery F: Cpt James Thompson |
| 2nd Volunteer Brigade:   Cpt Elijah D. Taft | 1st Connecticut Heavy, Battery B: Cpt Albert F. Brooker 1st Connecticut Heavy, Battery M: Cpt Franklin A. Pratt 1st New York Light, Battery B: Lt Robert E. Rogers 5th Battery New York Light: Cpt Elijah D. Taft 1st West Virginia Light, Battery C: Cpt Wallace Hill |
| 3rd Volunteer Brigade:   Maj Robert H. Fitzhugh | Maryland Light, Battery A: Lt Thomas Binyon 1st Battery New Hampshire Light: Cpt Frederick M. Edgell 1st New Jersey Light, Battery A: Cpt William Hexamer 1st New York Light, Battery K (11th Battery New York Light attached): Lt Edward L. Bailey 15th Battery New York Light: Cpt Patrick Hart |
| Ammunition Guard | 6th New York Heavy Artillery: Col J. Howard Kitching |