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3rd United States Infantry

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Muster In: Unit existed prior to the Civil War.1
Muster Out: Unit existed after the Civil War.2

Commander(s):
Major John D. Wilkins
Commander Image

Captain Richard G. Lay
Commander Image

Commander 3
Commander Image

First Offensive Order of Battle:

Second Offensive Order of Battle:

Third Offensive Order of Battle:

  • Not yet present at the Siege of Petersburg.7

Fourth Offensive Order of Battle:

  • Not yet present at the Siege of Petersburg.8

Fifth Offensive Order of Battle:

  • Not yet present at the Siege of Petersburg.9

Sixth Offensive Order of Battle:

  • Not yet present at the Siege of Petersburg.10

Seventh Offensive Order of Battle:

  • Not yet present at the Siege of Petersburg.11

Eighth Offensive Order of Battle: Provost Guard | Army of the Potomac | Union Army12

  • Commander: Major John D. Wilkins (February 28, 1865)13
  • Unit Strength:
  • Weapons:
  • Note: The 3rd United States arrived at City Point and the Siege of Petersburg at some point in February 1865.  I do not yet know the exact day.  More research is needed.

Ninth Offensive Order of Battle: Headquarters Guard | Army of the Potomac | Union Army14,15

  • Commander: Captain Richard G. Lay (March 31, 1865)16
  • Unit Strength:
  • Weapons:

Dyer’s/Sifakis’ Compendium Info:
Siege of Petersburg Battles17:

  • Ordered to Washington, D.C., and duty there until February, 1865.
  • Ordered to City Point, Va., and duty at Headquarters, Army of the Potomac, to May, 1865.
  • Fall of Petersburg April 2.

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. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
    4. Volume 13 (Ordnance Returns for the Second Quarter, April-June, 1864); 3rd United States 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.
    5. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
    6. Volume 13 (Ordnance Returns for the Second Quarter, April-June, 1864); 3rd United States 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.
    7. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
    8. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
    9. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
    10. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
    11. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
    12. 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 738: “Organization of the Union Forces” (February 28, 1865)
    13. 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 738: “Organization of the Union Forces” (February 28, 1865)
    14. 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 565: “Organization of the Union Forces” (March 31, 1865)
    15. 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 581: “Return of casualties in the Union Forces commanded by Lieut. Gen. Ulysses S. Grant, March 29-April 9, 1865”
    16. 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 565: “Organization of the Union Forces” (March 31, 1865)
    17.  A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
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