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170th New York Infantry

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Muster In: October 7, 18621
Muster Out: July 15, 18652

Commander(s):
Colonel James P. McIvor
JamesPMcIvorv072p3554L3

Major John B. Donnelly
Commander Image

Major Charles Hagan
Commander Image

Captain John Mitchell
Commander Image

First Offensive Order of Battle: Fourth Brigade | Second Division | II Corps | Army of the Potomac | Union Army4,5

Second Offensive Order of Battle:

Fourth Brigade | Second Division | II Corps | Army of the Potomac | Union Army (June 19-26, 1864)9

Second Brigade | Second Division | II Corps | Army of the Potomac | Union Army (June 26-30, 1864)10

Third Offensive Order of Battle: Second Brigade | Second Division | II Corps | Army of the Potomac | Union Army14,15

  • Commander: Colonel James P. McIvor (July 20 & 31, 1864)16,17
  • Unit Strength:
  • Weapons:

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

  • Commander: Colonel James P. McIvor (August 31, 1864)20
  • Unit Strength: ~70 officers and men taken into battle (August 25, 1864)21
  • Weapons:

Fifth Offensive Order of Battle: Second Brigade | Second Division | II Corps | Army of the Potomac | Union Army22

  • Commander:
  • Unit Strength:
  • Weapons:

Sixth Offensive Order of Battle: Second Brigade | Second Division | II Corps | Army of the Potomac | Union Army23,24

  • Commander: Captain Charles Hagan (October 31, 1864)25
  • Unit Strength:
  • Weapons:

Seventh Offensive Order of Battle: Second Brigade | Second Division | II Corps | Army of the Potomac | Union Army26

  • Commander: Colonel James P. McIvor (December 31, 1864)27
  • Unit Strength:
  • Weapons:

Eighth Offensive Order of Battle: Second Brigade | Second Division | II Corps | Army of the Potomac | Union Army28,29,30

  • Commander:
    • Colonel James P. McIvor (January 31, 1865)31
    • Major Charles Hagan (February 28, 1865)32
  • Unit Strength:
  • Weapons:
  • 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.33

Ninth Offensive Order of Battle: Second Brigade | Second Division | II Corps | Army of the Potomac | Union Army34,35

  • Commander: Captain John Mitchell (March 31, 1865)36
  • Unit Strength:
  • Weapons:

Dyer’s/Sifakis’ Compendium Info:
Siege of Petersburg Battles37:

  • Before Petersburg June 16-18.
  • Siege of Petersburg June 16, 1864, to April 2, 1865.
  • Jerusalem Plank Road, Weldon Railroad, June 22-23, 1864.
  • Demonstration on north side of the James July 27-29.
  • Deep Bottom July 27-28.
  • Demonstration north of the James August 13-20.
  • Strawberry Plains, Deep Bottom, August 14-18.
  • Ream’s Station August 25.
  • Boydton Plank Road, Hatcher’s Run, October 27-28.
  • Dabney’s Mills, Hatcher’s Run, February 5-7, 1865.
  • Watkins’ House March 25.
  • Appomattox Campaign March 28-April 9.
  • Boydton and White Oak Roads March 30-31.
  • Crow’s House March 31.
  • Fall of Petersburg April 2.
  • Pursuit of Lee April 3-9.
  • Sailor’s Creek April 6.
  • High Bridge, 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. James P. McIvor image.  MOLLUS-Mass Civil War Photograph Collection, Vol. 72, Page 3554L.  United States Army Heritage and Education Center, Carlisle, PA. ↩
    4. 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,. 221: However, after the old Second Brigade, Second Division, II Corps was broken up on June 26, 1864, the Fourth Brigade became the new Second Brigade. ↩
    5. 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. 544: On June 30, 1864, the date used for the organization of the Army of the Potomac in this document, the Fourth Brigade had become the Second Brigade already. ↩
    6. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XL, Part 1 (Serial Number 80), pp. 380-381: The Colonel’s report of operations from early May to late July is not dated, but was likely written in late July or early August 1864.  His report is very succinct, with it being unclear if he was in command during the entire Overland Campaign.  It certainly appears so, but I cannot state with certainty he was in command. ↩
    7. Volume 14 (Ordnance Returns for the Second Quarter, April-June, 1864); 170th New York Entry, Page 9; Summary Statements of Quarterly Returns of Ordnance and Ordnance Stores on Hand in Regular and Volunteer Army Organizations, 1862-1867, 1870-1876. (National Archives Microfilm Publication M1281, Roll 7); Records of the Office of the Chief of Ordnance, 1797-1969, Record Group 156; National Archives Building, Washington, D.C. ↩
    8. Volume 14 (Ordnance Returns for the Second Quarter, April-June, 1864); 170th New York Entry, Page 9; Summary Statements of Quarterly Returns of Ordnance and Ordnance Stores on Hand in Regular and Volunteer Army Organizations, 1862-1867, 1870-1876. (National Archives Microfilm Publication M1281, Roll 7); Records of the Office of the Chief of Ordnance, 1797-1969, Record Group 156; National Archives Building, Washington, D.C. ↩
    9. 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,. 221: However, after the old Second Brigade, Second Division, II Corps was broken up on June 26, 1864, the Fourth Brigade became the new Second Brigade. ↩
    10. 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. 544 ↩
    11. 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. 544 ↩
    12. Volume 14 (Ordnance Returns for the Second Quarter, April-June, 1864); 170th New York Entry, Page 9; Summary Statements of Quarterly Returns of Ordnance and Ordnance Stores on Hand in Regular and Volunteer Army Organizations, 1862-1867, 1870-1876. (National Archives Microfilm Publication M1281, Roll 7); Records of the Office of the Chief of Ordnance, 1797-1969, Record Group 156; National Archives Building, Washington, D.C. ↩
    13. Volume 14 (Ordnance Returns for the Second Quarter, April-June, 1864); 170th New York Entry, Page 9; Summary Statements of Quarterly Returns of Ordnance and Ordnance Stores on Hand in Regular and Volunteer Army Organizations, 1862-1867, 1870-1876. (National Archives Microfilm Publication M1281, Roll 7); Records of the Office of the Chief of Ordnance, 1797-1969, Record Group 156; National Archives Building, Washington, D.C. ↩
    14. 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 252 ↩
    15. 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 730 ↩
    16. 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 730 ↩
    17. “One Hundred and Seventieth Regiment, N. Y. V.” Sunday Mercury (New York, New York). July 24, 1864, p. 7 col. 2: “The return of Colonel Matthew Murphy, who was wounded at Spottsylvania, has released Colonel James C. McIvor from his duties as commander of the Second Brigade. Colonel McIvor is, therefore, again in command of the One Hundred and Seventieth Regiment.” ↩
    18. 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 613: “Organization of the Army of the Potomac…August 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), pages 118, 130: “Return of Casualties in the Union Forces (August 1864)” ↩
    20. 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 613: “Organization of the Army of the Potomac…August 31, 1864” ↩
    21. “War News.” Irish-American (NY). September 17, 1864, p. 3 col. 3 to 4: “The command went into the fight some 70 strong, and lost more than half.” ↩
    22. 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. 1298. ↩
    23. 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 459: “Organization of the Union Forces” (October 31, 1864)” ↩
    24. 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 154: “Return of Casualties in the Union Forces…Boydton Plank Road, Va., October 27-28, 1864” ↩
    25. 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 459: “Organization of the Union Forces” (October 31, 1864)” ↩
    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 1116: “Organization of the Union Forces” (December 31, 1864) ↩
    27. 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 1116: “Organization of the Union Forces” (December 31, 1864) ↩
    28. 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 326: “Organization of the Union Forces” (January 31, 1865) ↩
    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 740: “Organization of the Union Forces” (February 28, 1865) ↩
    30. 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 64: “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)” ↩
    31. 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 326: “Organization of the Union Forces” (January 31, 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 740: “Organization of the Union Forces” (February 28, 1865) ↩
    33. 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 64: “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)” ↩
    34. 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 567: “Organization of the Union Forces” (March 31, 1865) ↩
    35. 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 583: “Return of casualties in the Union Forces commanded by Lieut. Gen. Ulysses S. Grant, March 29-April 9, 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 95), page 567: “Organization of the Union Forces” (March 31, 1865) ↩
    37. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3) ↩

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