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Muster In: Organized at Harrisburg, Philadelphia and Pittsburgh August to October, 1861.1
Muster Out: Mustered out July 1, 1865.2

Commander(s):
Lieutenant Colonel Samuel B. M. Young
Commander Image

Lieutenant Colonel Alender P. Duncan
Commander Image

Major William M. Biddle
Commander Image

Captain Joseph Andrews
Commander Image

Commander 5
Commander Image

First Offensive Order of Battle: Second Brigade | Second Division | Cavalry Corps | Army of the Potomac | Union Army3,4

  • Commander:
  • Unit Strength:
  • Weapons:

Second Offensive Order of Battle: Second Brigade | Second Division | Cavalry Corps | Army of the Potomac | Union Army5,6

  • Commander: Major William M. Biddle (June 30, 1864)7
  • Unit Strength:
  • Weapons:

Third Offensive Order of Battle: Second Brigade | Second Division | Cavalry Corps | Army of the Potomac | Union Army8,9

  • Commander: Major William M. Biddle (July 31, 1864)10
  • Unit Strength:
  • Weapons:

Fourth Offensive Order of Battle: Second Brigade | Second Division | Cavalry Corps | Army of the Potomac | Union Army11,12

  • Commander: Captain Joseph Andrews (August 31, 1864)13
  • Unit Strength:
  • Weapons:
  • Note: A detachment of the 4th Pennsylvania Cavalry under Lieutenant John C. Paul served as the personal escort for Major General Gouverneur K. Warren and was probably located at Fifth Corps Headquarters.14

Fifth Offensive Order of Battle: Second Brigade | Second Division | Cavalry Corps | Army of the Potomac | Union Army15,16

  • Commander:
  • Unit Strength:
  • Weapons:
  • Note: A detachment of the 4th Pennsylvania Cavalry served as the personal escort for Major General Gouverneur K. Warren and was serving with the Fifth Corps, Army of the Potomac.17

Sixth Offensive Order of Battle: Second Brigade | Second Division | Cavalry Corps | Army of the Potomac | Union Army18,19

  • Commander: Captain Alender P. Duncan (October 31, 1864)20
  • Unit Strength:
  • Weapons:
  • Note: A detachment of the 4th Pennsylvania Cavalry under Napoleon J. Horrell served as the personal escort for Major General Gouverneur K. Warren and was serving with the Fifth Corps, army of the Potomac.21

Seventh Offensive Order of Battle: Second Brigade | Second Division | Cavalry Corps | Army of the Potomac | Union Army22,23

  • Commander: Lieutenant Colonel Samuel B. M. Young (December 31, 1864)24
  • Unit Strength:
  • Weapons:
  • Note: A detachment (companies E & F)25 of the 4th Pennsylvania Cavalry under Napoleon J. Horrell was serving with the Fifth Corps, Army of the Potomac as the escort to Major General Gouverneur K. Warren at this time.26,27
  • Note: The detachment participated in Warren’s Stony Creek, or “Apple Jack” Raid to Belfield and Hicksford, Virginia in mid-December 1864.28

Eighth Offensive Order of Battle: Second Brigade | Second Division | Cavalry Corps | Army of the Potomac | Union Army29,30,31

  • Commander: Colonel Samuel B. M. Young (January 31 & February 28, 1865)32,33
  • Unit Strength:
  • Weapons:
  • Note: Company C of the 4th Pennsylvania Cavalry under Lieutenant Wilson Waigle (January 31, 1865) and Captain Napoleon H. Horrell (February 28, 1865) was serving with the Fifth Corps, Army of the Potomac as the escort to Major General Gouverneur K. Warren at this time. The unit is also listed in the casualty returns for the Battle of Hatcher’s Run, February 5-7, 1865.34,35,36
  • Note: This unit is listed in the casualty returns for the Battle of Hatcher’s Run, February 5-7, 1865, implying it was present during the Eighth Offensive and the battle.37

Ninth Offensive Order of Battle: Second Brigade | Second Division | Cavalry Corps | Army of the Potomac | Union Army38,39

  • Commander: Lieutenant Colonel Alender P. Duncan (March 31, 1865)40
  • Unit Strength:
  • Weapons:
  • Note: Company C of the 4th Pennsylvania Cavalry under Captain Napoleon H. Horrell was serving with the Fifth Corps, Army of the Potomac as the escort to Major General Gouverneur K. Warren at this time.41,42

Dyer’s/Sifakis’ Compendium Info:
Siege of Petersburg Battles43:

  • Sheridan’s Trevillian Raid June 7-24.
  • Elliott’s Mills June 8.
  • Trevillian Station June 11-12.
  • White House or St. Peter’s Church June 21.
  • Black Creek or Tunstall Station June 21.
  • St. Mary’s Church June 24.
  • Siege of Petersburg June, 1864, to April, 1865.
  • Charles’ Cross Roads June 29.
  • Warwick Swamp July 12.
  • Demonstration on north side of the James July 27-29.
  • Malvern Hill July 28.
  • Warwick Swamp July 30.
  • Demonstration north of the James at Deep Bottom August 13-20.
  • Gravel Hill August 14.
  • Strawberry Plains August 16-18.
  • White Oak Swamp August 18.
  • Weldon Railroad August 18-21 (Detachment).
  • Dinwiddie Road near Ream’s Station August 23.
  • Ream’s Station August 25.
  • Reconnaissance to Poplar Springs Church September 13.
  • Reconnaissance toward Dinwiddie C. H. September 15.
  • Belcher’s Mills September 17.
  • Ream’s Station September 29.
  • Poplar Springs Church September 29-October 2.
  • Arthur’s Swamp September 30-October 1.
  • Boydton Plank Road, Hatcher’s Run, October 27-28.
  • Reconnaissance to Stony Creek November 7.
  • Stony Creek Station December 1.
  • Hicksford Expedition December 7-12.
  • Bellefield December 8.
  • High Hill December 10.
  • Rowanty Creek February 5, 1865.
  • Dabney’s Mills, Hatcher’s Run, February 5-7.
  • Appomattox Campaign March 28-April 9.
  • Lewis Farm near Gravelly Run March 29 (Co. “C”).
  • Dinwiddie C. H. March 30-31.
  • White Oak Road March 31 (Co. “C”).
  • Five Forks April 1.
  • Paine’s Cross Roads and Amelia Springs April 5.
  • Sailor’s Creek April 6.
  • Farmville April 7.
  • Appomattox Court House April 9.
  • Surrender of Lee and his army.

Bibliography:

    Siege of Petersburg Documents Which Mention This Unit:

    Sources:

    1. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
    2. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
    3. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 1 (Serial Number 80), p. 232
    4. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 2 (Serial Number 81), p. 551
    5. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 1 (Serial Number 80), p. 232
    6. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 2 (Serial Number 81), p. 551
    7. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 2 (Serial Number 81), p. 551
    8. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 1 (Serial Number 80), page 262
    9. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 3 (Serial Number 82), page 736
    10. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 3 (Serial Number 82), page 736
    11. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLII, Part 2 (Serial Number 88), page 618: “Organization of the Army of the Potomac…August 31, 1864”
    12. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLII, Part 1 (Serial Number 87), page 121, 131: “Return of Casualties in the Union Forces (August 1864)”
    13. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLII, Part 2 (Serial Number 88), page 618: “Organization of the Army of the Potomac…August 31, 1864”
    14. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLII, Part 1 (Serial Number 87), page 122: “Return of Casualties in the Union Forces (August 1864)”
    15. Sommers, Richard J. “Grant’s Fifth Offensive at Petersburg: A Study in Strategy, Tactics, and Generalship.  The Battle of Poplar Spring Church, the First Battle of the Darbytown Road, the Second Battle of the Squirrel Level Road, the Second Battle of the Darbytown Road (Ulysses S. Grant, Virginia).” Doctoral Thesis. Rice University, 1970. Print. p. 1297.
    16. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLII, Part 1 (Serial Number 87), page 143: “Return of Casualties in the Union Forces (September-October 1864)”
    17. Sommers, Richard J. “Grant’s Fifth Offensive at Petersburg: A Study in Strategy, Tactics, and Generalship.  The Battle of Poplar Spring Church, the First Battle of the Darbytown Road, the Second Battle of the Squirrel Level Road, the Second Battle of the Darbytown Road (Ulysses S. Grant, Virginia).” Doctoral Thesis. Rice University, 1970. Print. p. 1300.
    18. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLII, Part 3 (Serial Number 89), page 463: “Organization of the Union Forces” (October 31, 1864)”
    19. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLII, Part 1 (Serial Number 87), page 159: “Return of Casualties in the Union Forces…Boydton Plank Road, Va., October 27-28, 1864”
    20. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLII, Part 3 (Serial Number 89), page 463: “Organization of the Union Forces” (October 31, 1864)”
    21. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLII, Part 1 (Serial Number 87), page 155: “Return of Casualties in the Union Forces…Boydton Plank Road, Va., October 27-28, 1864”
    22. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLII, Part 3 (Serial Number 89), page 1122: “Organization of the Union Forces” (December 31, 1864)
    23. Calkins, Chris. “The Apple Jack Raid: For This Barbarism There Was No Real Excuse.” Blue & Gray Magazine Summer 2005: 18-25 (OOB on page 60).
    24. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLII, Part 3 (Serial Number 89), page 1122: “Organization of the Union Forces” (December 31, 1864)
    25. Calkins, Chris. “The Apple Jack Raid: For This Barbarism There Was No Real Excuse.” Blue & Gray Magazine Summer 2005: 18-25 (OOB on page 60).
    26. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLII, Part 3 (Serial Number 89), page 1117: “Organization of the Union Forces” (December 31, 1864)
    27. Calkins, Chris. “The Apple Jack Raid: For This Barbarism There Was No Real Excuse.” Blue & Gray Magazine Summer 2005: 18-25 (OOB on page 60).
    28. Calkins, Chris. “The Apple Jack Raid: For This Barbarism There Was No Real Excuse.” Blue & Gray Magazine Summer 2005: 18-25 (OOB on page 60).
    29. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLVI, Part 2 (Serial Number 96), page 333: “Organization of the Union Forces” (January 31, 1865)
    30. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLVI, Part 2 (Serial Number 96), page 746: “Organization of the Union Forces” (February 28, 1865)
    31. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLVI, Part 1 (Serial Number 96), page 68: “Return of Casualties in the Union forces at Hatcher’s Run (otherwise known as Dabney’s Mill, Armstrong’s Mill, Rowanty Creek, and Vaughan Road)… (February 5-7, 1865)”
    32. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLVI, Part 2 (Serial Number 96), page 333: “Organization of the Union Forces” (January 31, 1865)
    33. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLVI, Part 2 (Serial Number 96), page 746: “Organization of the Union Forces” (February 28, 1865)
    34. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLVI, Part 2 (Serial Number 96), page 327: “Organization of the Union Forces” (January 31, 1865)
    35. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLVI, Part 2 (Serial Number 96), page 741: “Organization of the Union Forces” (February 28, 1865)
    36. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLVI, Part 1 (Serial Number 96), page 65: “Return of Casualties in the Union forces at Hatcher’s Run (otherwise known as Dabney’s Mill, Armstrong’s Mill, Rowanty Creek, and Vaughan Road)… (February 5-7, 1865)”
    37. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLVI, Part 1 (Serial Number 96), page 68: “Return of Casualties in the Union forces at Hatcher’s Run (otherwise known as Dabney’s Mill, Armstrong’s Mill, Rowanty Creek, and Vaughan Road)… (February 5-7, 1865)”
    38. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLVI, Part 1 (Serial Number 95), page 576: “Organization of the Union Forces” (March 31, 1865)
    39. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLVI, Part 1 (Serial Number 95), page 592: “Return of casualties in the Union Forces commanded by Lieut. Gen. Ulysses S. Grant, March 29-April 9, 1865”
    40. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLVI, Part 1 (Serial Number 95), page 576: “Organization of the Union Forces” (March 31, 1865)
    41. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLVI, Part 1 (Serial Number 95), page 568: “Organization of the Union Forces” (March 31, 1865)
    42. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XLVI, Part 1 (Serial Number 95), page 584: “Return of casualties in the Union Forces commanded by Lieut. Gen. Ulysses S. Grant, March 29-April 9, 1865”
    43. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)

    ***



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