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20th Maine Infantry

Editor’s Note: Do you have information on this unit’s role at the Siege of Petersburg?  Please contact us using the Contact button in the menu at the top of the screen.  We are happy to exchange information with other researchers.

Muster In: August 29, 18621
Muster Out: June 4 & July 16, 18652

Commander(s):
Colonel Walter G. Morrill
WalterGMorrill20thME3

Lieutenant Colonel Charles D. Gilmore
CharlesDGilmore20thME4

Major Ellis Spear
EllisSpear20thME5

Captain Atherton W. Clark
AthertonWClark20thME6

Captain Joseph F. Land
JosephFLand20thME7

Commander 6
Commander Image

First Offensive Order of Battle: Third Brigade | First Division | V Corps | Army of the Potomac | Union Army8,9

Second Offensive Order of Battle: Third Brigade | First Division | V Corps | Army of the Potomac | Union Army11,12

Third Offensive Order of Battle: Third Brigade | First Division | V Corps | Army of the Potomac | Union Army15,16

  • Commander: Major Ellis Spear (July 31, 1864)17
  • Unit Strength:
  • Weapons:

Fourth Offensive Order of Battle: Third Brigade | First Division | V Corps | Army of the Potomac | Union Army18,19

  • Commander: Major Ellis Spear (August 31, 1864)20
  • Unit Strength:
  • Weapons:

Fifth Offensive Order of Battle: Third Brigade | First Division | V Corps | Army of the Potomac | Union Army21,22

Sixth Offensive Order of Battle: Third Brigade | First Division | V Corps | Army of the Potomac | Union Army24,25

  • Commander: Captain Atherton W. Clark (October 31, 1864)26
  • Unit Strength:
  • Weapons:

Seventh Offensive Order of Battle: Third Brigade | First Division | V Corps | Army of the Potomac | Union Army27,28

  • Commander: Lieutenant Colonel Charles D. Gilmore (December 31, 1864)29
  • Unit Strength:
  • Weapons:
  • Note: This regiment participated in Warren’s Stony Creek, or “Apple Jack” Raid to Belfield and Hicksford, Virginia from December 7-12, 1864.30

Eighth Offensive Order of Battle: Third Brigade | First Division | V Corps | Army of the Potomac | Union Army31,32,33

  • Commander:
    • Lieutenant Colonel Charles D. Gilmore (January 31, 1865)34
    • Captain Joseph F. Land (February 28, 1865)35
  • 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.36

Ninth Offensive Order of Battle: Third Brigade | First Division | V Corps | Army of the Potomac | Union Army37,38

  • Commander: Colonel Walter G. Morrill (March 31, 1865)39
  • Unit Strength:
  • Weapons:

Dyer’s/Sifakis’ Compendium Info:
Siege of Petersburg Battles40:

  • Before Petersburg June 16-19.
  • Siege of Petersburg June 16, 1864, to April 2, 1865.
  • Weldon Railroad June 21-23, 1864.
  • Mine Explosion, Petersburg, July 30 (Reserve).
  • Six Mile House, Weldon Railroad, August 18-21.
  • Poplar Springs Church, Peeble’s Farm, September 29-October 2.
  • Hatcher’s Run October 27-28.
  • Warren’s Hicksford Raid December 7-11.
  • Dabney’s Mills, Hatchef’s Run, February 5-7, 1865.
  • Appomattox Campaign March 28-April 9.
  • White Oak Road March 29.
  • Quaker Road March 30.
  • Boydton Road March 30-31.
  • Five Forks April 1.
  • Amelia C. H. April 5.
  • High Bridge April 6.
  • Appomattox C. H. 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. Walter G. Morrill image.  MOLLUS-Mass Civil War Photograph Collection, Vol. 74, Page 3684L.  United States Army Heritage and Education Center, Carlisle, PA.
    4. Charles D. Gilmore image.  MOLLUS-Mass Civil War Photograph Collection, Vol. 97, Page 4957.  United States Army Heritage and Education Center, Carlisle, PA.
    5. Ellis Spear image.  MOLLUS-Mass Civil War Photograph Collection, Vol. 69, Page 3437.  United States Army Heritage and Education Center, Carlisle, PA.
    6. Carte de Visite of Capt. A.W. Clark, Co.E 20th Maine Infantry. Neg #659. Digital image. Maine State Documents. Maine State Library, Oct. 2013. Web. 2 Mar. 2015.
    7. Carte de Visite of Capt. J.F. Land, 20th Maine Infantry. Neg #854. Digital image. Maine State Documents. Maine State Library, Oct. 2013. Web. 2 Mar. 2015.
    8. 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. 223
    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. 545
    10. Volume 13 (Ordnance Returns for the Second Quarter, April-June, 1864); 20th Maine Entry, Page 78; 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), p. 223
    12. 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. 545
    13. 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. 545
    14. Volume 13 (Ordnance Returns for the Second Quarter, April-June, 1864); 20th Maine Entry, Page 78; 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.
    15. 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 255
    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 732
    17. 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 732
    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 615: “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), page 123: “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 615: “Organization of the Army of the Potomac…August 31, 1864”
    21. 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. 1300.
    22. 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 139: “Return of Casualties in the Union Forces (September-October 1864)”
    23. Volume 15 (Ordnance Returns for the Third Quarter, July-September, 1864); 20th Maine Entry, Page 72; 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.
    24. 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 460: “Organization of the Union Forces” (October 31, 1864)”
    25. 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 156: “Return of Casualties in the Union Forces…Boydton Plank Road, Va., October 27-28, 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 460: “Organization of the Union Forces” (October 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 1117: “Organization of the Union Forces” (December 31, 1864)
    28. Calkins, Chris. “The Apple Jack Raid: For This Barbarism There Was No Real Excuse.” Blue & Gray Magazine Summer 2005: 18-25 (OOB on page 60).
    29. 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 1117: “Organization of the Union Forces” (December 31, 1864)
    30. Calkins, Chris. “The Apple Jack Raid: For This Barbarism There Was No Real Excuse.” Blue & Gray Magazine Summer 2005: 18-25 (OOB on page 60).
    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 328: “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 741: “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 65: “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 2 (Serial Number 96), page 328: “Organization of the Union Forces” (January 31, 1865)
    35. 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 741: “Organization of the Union Forces” (February 28, 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 96), page 65: “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)”
    37. 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 569: “Organization of the Union Forces” (March 31, 1865)
    38. 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 585: “Return of casualties in the Union Forces commanded by Lieut. Gen. Ulysses S. Grant, March 29-April 9, 1865”
    39. 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 569: “Organization of the Union Forces” (March 31, 1865)
    40. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3)
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