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122nd New York Infantry

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Muster In: Organized at Syracuse, N. Y, and mustered in August 28, 1862.1
Muster Out: Mustered out June 28, 1865.2

Commander(s):
Lieutenant Colonel Augustus W. Dwight
Commander Image

Lieutenant Colonel Horace H. Walpole
Commander Image

Major Jabez M. Brower
Commander Image

Major Alonzo H. Clapp
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Captain Morton L. Marks
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Commander 6
Commander Image

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

Second Offensive Order of Battle: Fourth Brigade | First Division | VI Corps | Army of the Potomac | Union Army6,7

Third Offensive Order of Battle:

Fourth Brigade | First Division | VI Corps | Army of the Potomac | Union Army (July 1-6, 1864)10

Third Brigade | Second Division | VI Corps | Army of the Potomac | Union Army (July 6-31, 1864)11

  • Commander: Major Jabez M. Brower (July 31, 1864)12
  • Unit Strength: ~191 officers and men PFD (July 9, 1864)13
  • Weapons:
  • Note: The 122nd New York transferred from 4/1/VI/AotP to 3/2/VI/AotP on July 6, 1864.14
  • Note: The Third Brigade, Second Division, Sixth Corps moved to City Point, Va. on July 9 and embarked for Washington, D.C. at 11 am on July 10, 1864.15,16

Fourth Offensive Order of Battle:

  • Not present at the Siege of Petersburg.17

Fifth Offensive Order of Battle:

Sixth Offensive Order of Battle:

  • Not present at the Siege of Petersburg.20

Seventh Offensive Order of Battle: Third Brigade | Second Division | VI Corps | Army of the Potomac | Union21

  • Commander: Major Alonzo H. Clapp (December 31, 1864)22
  • Unit Strength:
  • Weapons:
  • Note: This unit moved to the Siege of Petersburg from December 9-12, 1864.23

Eighth Offensive Order of Battle: Third Brigade | Second Division | VI Corps | Army of the Potomac | Union24,25

  • Commander:
    • Captain Morton L. Marks (January 1865)26
    • Lieutenant Colonel Augustus W. Dwight (February 28, 1865)27
  • Unit Strength:
  • Weapons:

Ninth Offensive Order of Battle: Third Brigade | Second Division | VI Corps | Army of the Potomac | Union28,29

  • Commander: Lieutenant Colonel Horace H. Walpole (March 31, 1865)30
  • Unit Strength:
  • Weapons:

Dyer’s/Sifakis’ Compendium Info:
Siege of Petersburg Battles31:

  • Before Petersburg June 17-18.
  • Jerusalem Plank Road, Weldon Railroad, June 22-23.
  • Siege of Petersburg until July 9.
  • Moved to Washington, D. C, July 9-11.
  • …away…
  • Moved to Petersburg, Va., December 9-12.
  • Siege of Petersburg December 12, 1864, to April 2, 1865.
  • Fort Fisher, Petersburg, March 25.
  • Appomattox Campaign March 28-April 9.
  • Assault on and fall of Petersburg April 2.
  • Sailor’s Creek April 6.
  • 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. 226
  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. 547
  5. Volume 14 (Ordnance Returns for the Second Quarter, April-June, 1864); 122nd New York Entry, Page 1; 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.
  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), p. 226
  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. 547
  8. 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. 547
  9. Volume 14 (Ordnance Returns for the Second Quarter, April-June, 1864); 122nd New York Entry, Page 1; 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.
  10. 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 257
  11. 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 258
  12. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XXVII, Part 2 (Serial Number 71), page 551
  13. Interesting Letter from the 122nd N.Y.Sandusky (NY) Register. July 19, 1864, p. ? col. ?: “We number one hundred and sixty-seven muskets” from a letter dated July 9, 1864.  Using Steven Newton’s method for converting effectives to Present for Duty strength, we take (167/.93) x 1.065=~191 officers and men present for duty.
  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 257
  15. The War of the Rebellion: A Compilation of the Official Records of the Union and Confederate Armies, Volume XXVII, Part 1 (Serial Number 70), page 273
  16. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
  17. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
  18. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
  19. Volume 15 (Ordnance Returns for the Third Quarter, July-September, 1864); 122nd New York Entry, Page 120; 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.
  20. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
  21. 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 1120: “Organization of the Union Forces” (December 31, 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 1120: “Organization of the Union Forces” (December 31, 1864)
  23. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
  24. 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 330: “Organization of the Union Forces” (January 31, 1865)
  25. 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 744: “Organization of the Union Forces” (February 28, 1865)
  26. 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 330: “Organization of the Union Forces” (January 31, 1865)
  27. 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 744: “Organization of the Union Forces” (February 28, 1865)
  28. 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 572: “Organization of the Union Forces” (March 31, 1865)
  29. 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 587: “Return of casualties in the Union Forces commanded by Lieut. Gen. Ulysses S. Grant, March 29-April 9, 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 95), page 572: “Organization of the Union Forces” (March 31, 1865)
  31. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
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