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12th New Hampshire Infantry

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Muster In: Organized at Concord and mustered in September 10, 1862.1
Muster Out: Mustered out June 21, 1865.2

Commander(s):
Lieutenant Colonel Thomas E. Barker
ThomasEBarker12thNHv62p30743

Commander 2
Commander Image

Commander 3
Commander Image

First Offensive Order of Battle: Second Brigade | Second Division | XVIII Corps | Army of the James | Union Army4,5

Second Offensive Order of Battle: Second Brigade | Second Division | XVIII Corps | Army of the James | Union Army7,8

Third Offensive Order of Battle: Second Brigade | Second Division | XVIII Corps | Army of the James | Union11,12

  • Commander: Captain Thomas E. Barker (July 31, 1864)13
  • Unit Strength:
  • Weapons:

Fourth Offensive Order of Battle: Second Brigade | Second Division | XVIII Corps | Army of the James | Union Army14

  • Commander: Captain Thomas E. Barker (August 31, 1864)15
  • Unit Strength:
  • Weapons:

Fifth Offensive Order of Battle:

Provisional Brigade | XVIII Corps | Army of the James | Union Army (to October 1, 1864)16

Second Brigade | Second Division | XVIII Corps | Army of the James | Union Army (October 1-15, 1864)17

Sixth Offensive Order of Battle: Provisional Brigade | Provisional Division | Army of the James | Union Army19

  • Commander: Lieutenant Colonel Thomas E. Barker (October 31, 1864)20
  • Unit Strength:
  • Weapons:

Seventh Offensive Order of Battle:

Provisional Brigade | Provisional Division | Army of the James | Union Army (November 1-December 3, 1864)21

Second Brigade | Third Division | XXIV Corps | Army of the James | Union Army (December 3-31, 1864)22

  • Commander: Lieutenant Colonel Thomas E. Barker (December 31, 1864)23
  • Unit Strength:
  • Weapons:
  • Note: On December 3, 1864, the X Corps and XVIII Corps of the Army of the James were reorganized into the XXIV Corps and the XXV Corps.

Eighth Offensive Order of Battle: Second Brigade | Third Division | XXIV Corps | Army of the James | Union Army24,25

  • Commander: Lieutenant Colonel Thomas E. Barker (January 31 & February 28, 1865)26,27
  • Unit Strength:
  • Weapons:

Ninth Offensive Order of Battle: Second Brigade | Third Division | XXIV Corps | Army of the James | Union Army28,29

  • Commander: Lieutenant Colonel Thomas E. Barker (March 31, 1865)30
  • Unit Strength:
  • Weapons:

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

  • Before Petersburg June 15-19.
  • Siege of Petersburg and Richmond June 16, 1864, to April 2, 1865.
  • Mine Explosion, Petersburg, July 30, 1864 (Reserve).
  • Duty on the Bermuda Front August 26 to December, and in trenches before Richmond until April, 1865.
  • Occupation of Richmond April 3.
  • Guard and Provost duty at Manchester until June.

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. Thomas E. Barker image.  MOLLUS-Mass Civil War Photograph Collection, Vol. 62, Page 3074.  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. 236 ↩
  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. 555 ↩
  6. Volume 13 (Ordnance Returns for the Second Quarter, April-June, 1864); 12th New Hampshire Entry, Page 105; 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. ↩
  7. 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. 236 ↩
  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. 555 ↩
  9. 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. 555 ↩
  10. Volume 13 (Ordnance Returns for the Second Quarter, April-June, 1864); 12th New Hampshire Entry, Page 105; 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. ↩
  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 266 ↩
  12. 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 740 ↩
  13. 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 740 ↩
  14. 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 621: “Organization of the Army of the Potomac…August 31, 1864” ↩
  15. 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 621: “Organization of the Army of the Potomac…August 31, 1864” ↩
  16. 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. 1304. ↩
  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. 1304. ↩
  18. Volume 15 (Ordnance Returns for the Third Quarter, July-September, 1864); 12th New Hampshire Entry, Page 102; 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. ↩
  19. 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 468: “Organization of the Union Forces” (October 31, 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 468: “Organization of the Union Forces” (October 31, 1864)” ↩
  21.  A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3) ↩
  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 1125: “Organization of the Union Forces” (December 31, 1864) ↩
  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 1125: “Organization of the Union Forces” (December 31, 1864) ↩
  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 335: “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 749: “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 335: “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 749: “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 578: “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 595: “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 578: “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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