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) DivisionBrigade Regiments and othersFirst 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 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. OsbornSecond 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 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. LeechThird Division:
BG John R. Kenly 1st Brigade:
Col Chapman Biddle 121st Pennsylvania: Ltc Alexander Biddle 142nd Pennsylvania: Ltc Alfred. B. McCalmont 2nd Brigade:
Col Langhorne Wister 143rd Pennsylvania: Col Edmund L. Dana 149th Pennsylvania: Ltc Walton Dwight 150th Pennsylvania: Cpt Horatio Bell 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 DivisionBrigade Regiments and othersFirst 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 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 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 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. BrownSecond 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 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 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. RuggThird 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 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 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 DivisionBrigade Regiments and othersFirst 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 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 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 TreppSecond 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 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 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. DunneThird 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 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 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 DivisionBrigade Regiments and othersFirst 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 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 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. LamontSecond 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 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. PearsonThird 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 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 DivisionBrigade Regiments and othersFirst 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 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 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. AllenSecond 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