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1st Maine Cavalry

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Muster In: Organized at Augusta and mustered in November 5, 1861.1
Muster Out: Mustered out August 1, 1865.2

Commander(s):
Major Sidney W. Thaxter
Commander Image

Lieutenant Colonel Jonathan P. Cilley
JonathanPCilley1stMECav3

Commander 3
Commander Image

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

  • Commander:
  • Unit Strength:
  • Weapons:

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

  • Commander: Major Sidney W. Thaxter (June 30, 1864)8
  • Unit Strength:
  • Weapons:

Third Offensive Order of Battle: Second Brigade | Second Division | Cavalry Corps | Army of the Potomac | Union Army9,10

  • Commander: Major Sidney W. Thaxter (July 31, 1864)11
  • Unit Strength:
  • Weapons:

Fourth Offensive Order of Battle: Second Brigade | Second Division | Cavalry Corps | Army of the Potomac | Union Army12,13

  • Commander: Major Sidney W. Thaxter (August 31, 1864)14
  • Unit Strength:
  • Weapons:

Fifth Offensive Order of Battle: Second Brigade | Second Division | Cavalry Corps | Army of the Potomac | Union Army15,16

  • Commander:
  • Unit Strength:
  • Weapons:

Sixth Offensive Order of Battle: Third Brigade | Second Division | Cavalry Corps | Army of the Potomac | Union Army17,18

  • Commander: Lieutenant Colonel Jonathan P. Cilley (October 31, 1864)19
  • Unit Strength:
  • Weapons:
  • Note: On what day specifically did the 1st ME Cavalry transfer to the Third Brigade from the First Brigade?

Seventh Offensive Order of Battle: Third Brigade | Second Division | Cavalry Corps | Army of the Potomac | Union Army20,21

  • Commander: Lieutenant Colonel Jonathan P. Cilley (December 31, 1864)22
  • Unit Strength:
  • Weapons:
  • Note: Old members mustered out November 4, 1864.23
  • Note: This regiment participated in Warren’s Stony Creek, or “Apple Jack” Raid to Belfield and Hicksford, Virginia from December 7-12, 1864.24

Eighth Offensive Order of Battle: Third Brigade | Second Division | Cavalry Corps | Army of the Potomac | Union Army25,26,27

  • Commander: Lieutenant Colonel Jonathan P. Cilley (January 31 & February 28, 1865)28,29
  • 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.30

Ninth Offensive Order of Battle: Third Brigade | Second Division | Cavalry Corps | Army of the Potomac | Union Army31,32

  • Commander: Lieutenant Colonel Jonathan P. Cilley (March 31, 1865)33
  • Unit Strength:
  • Weapons:

Dyer’s/Sifakis’ Compendium Info:
Siege of Petersburg Battles34:

  • Sheridan’s Trevillian Raid June 7-24.
  • Elliott’s Mills June 8.
  • Trevillian Station June 11-12.
  • Black Creek, Tunstall Station, June 21.
  • White House, St. Peter’s Church, June 21.
  • St. Mary’s Church June 24.35
  • Second Swamp June 28.
  • Siege operations against Petersburg and Richmond June, 1864, to April, 1865.
  • Warwick Swamp and Lee’s Mill July 12.
  • Deep Bottom July 27-28.
  • New Market July 28.
  • Malvern Hill July 29.
  • Lee’s Mills July 30.
  • Near Sycamore Church August 9.
  • Gravel Hill August 14.
  • Strawberry Plains August 14-18.
  • Deep Run August 16.
  • Nelson’s Farm August 18.
  • Ream’s Station August 23-25.
  • Dinwiddie Road near Ream’s Station August 23.
  • Yellow Tavern September 2.
  • Stony Creek Station September 15.
  • Belcher’s Mills September 17.
  • Lee’s Mills September 18.
  • Vaughan Road September 26.
  • Wyatt’s Farm September 29.
  • Poplar Springs Church September 29-October 1.
  • Vaughan and Duncan Road October 1.
  • Boydton Plank Road or Hatcher’s Run October 27-28.
  • Old members mustered out November 4, 1864.
  • Stony Creek Station December 1.
  • Bellefield Raid December 7-11.
  • Bellefield December 9-10.
  • Dabney’s Mills, Hatcher’s Run, February 5-7, 1865.
  • Appomattox Campaign March 28-April 9.
  • Dinwiddie Court House March 30-31.
  • Five Forks April 1.
  • Namozine Church and Jettersville April 3.
  • Fame’s Cross Roads and Amelia Springs April 5.
  • Sailor’s Creek and Deatonville Road April 6.
  • Briery Creek and Farmville April 7.
  • Appomattox Station April 8.
  • 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. Jonathan P. Cilley image.  MOLLUS-Mass Civil War Photograph Collection, Vol. 91, Page 4655.  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. 232 ↩
    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. 551 ↩
    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. 232 ↩
    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. 551 ↩
    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. 551 ↩
    9. 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 262 ↩
    10. 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 736 ↩
    11. 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 736 ↩
    12. 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 618: “Organization of the Army of the Potomac…August 31, 1864” ↩
    13. 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 121, 131: “Return of Casualties in the Union Forces (August 1864)” ↩
    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 618: “Organization of the Army of the Potomac…August 31, 1864” ↩
    15. 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. 1297. ↩
    16. 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 143: “Return of Casualties in the Union Forces (September-October 1864)” ↩
    17. 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 464: “Organization of the Union Forces” (October 31, 1864)” ↩
    18. 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 160: “Return of Casualties in the Union Forces…Boydton Plank Road, Va., October 27-28, 1864” ↩
    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 464: “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 1122: “Organization of the Union Forces” (December 31, 1864) ↩
    21. 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). ↩
    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 1122: “Organization of the Union Forces” (December 31, 1864) ↩
    23. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3) ↩
    24. 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). ↩
    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 333: “Organization of the Union Forces” (January 31, 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 747: “Organization of the Union Forces” (February 28, 1865) ↩
    27. 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 68: “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)” ↩
    28. 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 333: “Organization of the Union Forces” (January 31, 1865) ↩
    29. 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 747: “Organization of the Union Forces” (February 28, 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 96), page 68: “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)” ↩
    31. 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 576: “Organization of the Union Forces” (March 31, 1865) ↩
    32. 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 592: “Return of casualties in the Union Forces commanded by Lieut. Gen. Ulysses S. Grant, March 29-April 9, 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 95), page 576: “Organization of the Union Forces” (March 31, 1865) ↩
    34. A Compendium of the War of the Rebellion by Frederick H. Dyer (Part 3) ↩
    35. “Gen. Butler’s Department.” The Philadelphia Inquirer (Philadelphia, PA). June 29, 1864, p. 1 col. 2-3 ↩

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