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Muster In: Organized at Camp Chase. Ohio, and mustered in September 13, 1864.1
Muster Out: Mustered out September 2, 1864.2

Commander(s):
Colonel William C. Cooper
Commander Image

Commander 2
Commander Image

Commander 3
Commander Image

First Offensive Order of Battle: First Division | Army of the James | Union Army3,4

  • Commander:
  • Unit Strength:
  • Weapons: Enfield Rifles (.577 caliber) (June 30, 1864)5
  • Note: On June 13, 1864, the 142nd Ohio reported for duty with the Army of the James and is assigned to Terry’s First Division, Tenth Corps, Army of the James. They more than likely stayed there until the new Third Division was formed on June 19.6

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

Third Offensive Order of Battle: Second Brigade | Third Division | X Corps | Army of the James | Union Army11,12

  • Commander: Colonel William C. Cooper (July 31, 1864)13
  • Unit Strength:
  • Weapons:

Fourth Offensive Order of Battle:  Second Brigade | Third Division | X Corps | Army of the James | Union Army (August 1-19, 1864)14

  • Commander:
  • Unit Strength:
  • Weapons:
  • Note: Moved to Point of Rocks, Va., and duty there until August 19. Ordered home and mustered out September 2, 1864.15

Fifth Offensive Order of Battle:

  • No longer in existence.16

Sixth Offensive Order of Battle:

  • No longer in existence.17

Seventh Offensive Order of Battle:

  • No longer in existence.18

Eighth Offensive Order of Battle:

  • No longer in existence.19

Ninth Offensive Order of Battle:

  • No longer in existence.20

Dyer’s/Sifakis’ Compendium Info:
Siege of Petersburg Battles21:

  •  Embarked at Alexandria. Va., for White House, Va., June 7.
  • Duty guarding supply trains through the Wilderness near Cold Harbor June 9-14.
  • Moved to Point of Rocks, Va., and duty there until August 19.
  • Ordered home and mustered out September 2, 1864.

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. 235: This casualty list indicates that the Third Division was formed on June 19, 1864, one day after the First Offensive ended.  I am positive the regiment was in the area of Bermuda Hundred during the First Offensive and was considered a part of the Army of the James, but I am unsure exactly which sub-organization the regiment belonged to.  More research is needed.
    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), page 16: On June 13, 1864, the 142nd Ohio reported for duty with the Army of the James and is assigned to Terry’s First Division, Tenth Corps, Army of the James.
    5. Volume 14 (Ordnance Returns for the Second Quarter, April-June, 1864); 142nd Ohio Entry, Page 38; 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 2 (Serial Number 81), page 16: On June 13, 1864, the 142nd Ohio reported for duty with the Army of the James and is assigned to Terry’s First Division, Tenth Corps, Army of the James.
    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. 235
    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. 554
    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. 554
    10. Volume 14 (Ordnance Returns for the Second Quarter, April-June, 1864); 142nd Ohio Entry, Page 38; 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 264
    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 739
    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 739
    14. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
    15. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
    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. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
    20. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
    21. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)

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