1st Massachusetts Cavalry

== Regimental History and Service Record ==
Organized at Camp Brigham, Reedville, and duty there until December 25, 1861. Companies "A," "B," "C" and "D" left State for Annapolis, Md., December 25, 1861; thence moved to Hilton Head, S.C., February, 1862, and Join Regiment. Second Battalion left State for New York December 27, and Third Battalion December 29 for same point; thence sailed for Hilton Head, S.C., January 13, arriving January 20, 1862. Attached to Department of the South to April, 1862. 3rd Brigade, 1st Division, Dept. of the South, to August, 1862. Companies "A" to "H" moved to Fort Monroe August 19, 1862; thence to Washington, D.C., and join Pleasanton's Cavalry, Army of the Potomac, at Tenallytown, September 3. Attached to Pleasanton's Cavalry, Army of the Potomac, to October, 1862. Averill's Brigade, Cavalry Division, Army of the Potomac, to January, 1863. 1st Brigade, 2nd Division, Cavalry Corps, Army of the Potomac, to April, 1865. (4 new Companies, "I," "K," "L," "M," organized December 5. 1863, to January 14, 1864.) Provost Marshal's Command, Army of the Potomac, to May, 1865. Headquarters, Army of the Potomac, to June, 1865.
SERVICE.--Duty at Hilton Head,, S.C., until May, 1862. Moved to Edisto Island, S.C., May (Cos. "E" to "M"). Operations on James Island, S.C., June 1-28. Action James Island June 8. Battle of Secessionville June 16 (Co. "H"). Evacuation of James Island and movement to Hilton Head June 28-July 7, 
* September 3-20, 1862 - The Maryland Campaign
** September 4-5, 1862 - Skirmishes at Poolesville, Maryland (Detachment)
** September 10-11, 1862 - Skirmishes at Sugarloaf Mountain, Maryland 
** September 13, 1862 - Skirmish at Middletown, MarylandNot originally listed on unit homepage
** September 14, 1862 - Battle of South Mountain, Maryland 
** September 17, 1862 - Battle of Antietam, Maryland
** September 19, 1862 - Actions at Sharpsburg and Shepherdstown/Blackford's/Boteler's Fords, Maryland
* October 16-17, 1862 - Reconnoissance from Sharpsburg, Maryland to Smithfield, West Virginia
* Kearneysville, Shepherdstown October 16-17. 
4 Companies with 5th Corps October 30-November 25. 4 Companies near Hagerstown, Md., until November 16, thence moved to Washington November 16-25, and duty there refitting until December 13, Bloomfield November 2-3. Snicker's Gap November 3-4. Markham Station November 4. Manassas Gap November 5-6. 
* November 24-25, 1862 - Reconnoissance from Sharpsburg, Maryland to Shepherdstown, West Virginia (detachments)Not originally referenced on unit homepage but listed on Dyer summary
Reconnaissance to Grove Church December 1. Battle of Fredericksburg, Va., December 12-15. Reconnaissance toward Warrenton December 21-22. Expedition to Richard's and Ellis' Fords December 29-30. Reconnaissance to Catlett's and Rappahannock Station January 8-10, 1863. Elk Run, Catlett's Station, January 9. Near Grove Church January 9. Destruction of Rappahannock Bridge February 5. Hartwood Church February 25. Kelly's Ford March 17. Bealeton March 17. 
* April 27-May 6, 1863 - The Chancellorsville Campaign
** May 1-5, 1863 - Battle of Chancellorsville, VirginiaNot originally referenced on unit homepage
** Stoneman's Raid, April 29-May 6. 
** Rapidan Station May 1. 
* Near Fayetteville June 3. 
* Kelly's Ford, Brandy Station and Stevensburg June 9. 
* June 11-August 1, 1863 - The Gettysburg CampaignNot originally referenced on unit homepage
** June 17, 1863 - Action at Aldie, Virginia 
** Upperville June 21. 
** July 1-3, 1863 - Battle of Gettysburg, Pennsylvania
** July 4, 1863 - Skirmish at Emmitsburg, Maryland
** Williamsport July 6-7. 
** July 10, 1863 - Skirmish at Old Antietam Forge, Maryland
** Near Harper's Ferry, W. Va., July 14. 
** July 12, 1863 - Skirmish at Jones' Cross Roads, Maryland
Shepherdstown July 16. Near Aldie July 31. Scout to Hazel River August 4. Rixeyville August 5. Welford's Ford August 9. Scout to Barbee's Cross Roads August 24. Scout to Middleburg September 10-11. Advance from the Rappahannock to the Rapidan September 13-17. Culpeper C. H. September 13. Rapidan Station September 13-14-15. Bristoe Campaign October 9-22. Warrenton (or White Sulphur Springs) October 12. Auburn and Bristoe October 14. Brentsville October 14. Picket near Warrenton until November 22. Mine Run Campaign November 26-December 2. New Hope Church November 27. Scout and picket duty at Warrenton until April 21, 1864. Kilpatrick's Raid on Richmond February 28-March 4. Fortifications of Richmond March 1. (Cos. "C," "D" at Headquarters Army of the Potomac, April, 1864, to muster out.) 
* May 4-June 12, 1864 - The Overland Campaign
** May 5-6, 1864 - Engagement at Todd's Tavern, Virginia 
** May 5-7, 1864 - Battle of the Wilderness, VirginiaNot originally referenced on Dyer summary, but referenced on unit homepage
** May 7-8, 1864 - Engagement at Todd's Tavern, Virginia
** May 8-21, 1864 - Battles of Spotsylvania Court House, Virginia (Companies C and D)Not originally referenced on unit homepage 
*** May 8, 1864 - Action at Corbin's Bridge, Virginia
** May 9-24, 1864 - (Sheridan's) Expedition from Todd's Tavern to the James River, Virginia
*** May 9, 1864 - Action at Davenport Ford, Virginia
*** May 10, 1864 - Engagement on the North Anna River, Virginia
*** May 11, 1864 - Combat at Ashland, Virginia
*** May 11, 1864 - Engagement at Yellow Tavern, Virginia
*** May 12, 1864 - Engagement at Brook's Church, Virginia
** May 26-28, 1864 - Operations on Line of the Pamunkey River, Virginia
** May 28-31, 1864 - Operations on Line of the Totopotomoy River, Virginia
** May 31-June 12, 1864 - Battles of Cold Harbor, Virginia (Companies C and D)
*** May 31-June 1, 1864 - Engagement at Cold Harbor, Virginia
*** About Cold Harbor June 1-7. 
*** Sumner's Upper Bridge June 2. 
** June 7-24, 1864 - (Sheridan's) Raid to Trevillian Station, Virginia
*** June 11-12, 1864 - Engagement at Trevillian Station, Virginia
Newark, or Mallory's Cross Roads, June 12. Black Creek, or Tunstall Station, and White House, or St. Peter's Church, June 21. St. Mary's Church June 24. Camp at Prince George Court House June 27-July 13. Weldon Railroad and Warwick Swamp July 12. At Lee's Mills until July 26. Demonstration on north side of James River July 27-29. Deep Bottom July 27-28. Malvern Hill July 28. Lee's Mills July 30. Scouting duty until August 14. Demonstration north of James River August 14-18. Gravel Hill August 14. Strawberry Plains August 14-18. Charles City Cross Roads August 18. Weldon Railroad August 19-21. Dinwiddie Road, near Ream's Station, August 23. Ream's Station August 25. Hawkinsville September 14. Jerusalem Plank Road September 16. Belcher's Mills September 17. 
* September 22, 1864 - Skirmish near Milford, VirginiaNot originally listed on unit homepage
Poplar Grove Church September 29-October 2. Davis' Farm September 30. Arthur's Swamp September 30-October 1. Vaughan Road October 1. (Old members left front for Massachusetts October 25, 1864.) Boydton Plank Road, Hatcher's Run, October 27-28. At McCann's Station until November 18. Reconnaissance toward Stony Creek November 7. At Westbrook House until December 1. Stony Creek Station December 1. Bellefield Raid December 7-12. Bellefield December 9-10. At Westbrook House until March 17, 1865. Dabney's Mills, Hatcher's Run, February 5-7. Provost duty at City Point until April 2. Fall of Petersburg April 2. Provost duty until May 27. Duty in the Defenses of Washington until June 26. Mustered out June 29, 1865, and discharged at Readville, Mass., July 24, 1865.
3rd Battalion.--(Cos. "I," "K," "L" and "M.") Duty in District of Beaufort, S.C., until August, 1862. Action at Pocotaligo, S.C., May 22, 1862 (Detachment). Patrol and guard duty and picketing Broad River. Expedition to St. John's Bluff, Fla., September 30-October 13, 1862. Expedition to Pocotaligo, S.C., October 21-23. Pocotaligo Bridge October 21. Caston and Frampton's Plantation October 22. Attached to 10th Army Corps, Dept. of the South. Company "M" at Hilton Head, S. C, and outpost duty at Lawton's Plantation until August, 1863. A Detachment of Company "I" at Folly Island, S.C., until July, 1863, and Morris Island, S.C., to August, 1863. Balance of Company "I" on outpost duty at Hilton Head, S.C., June to August, 1863. Permanently detached from 1st Cavalry by S. C. 346, War Department, August 4, 1863, and designated Independent Battalion, Massachusetts Cavalry (which see).
== Regimental Roster ==
== Regiment Statistical Information ==
* Regiment lost during service 6 Officers and 93 Enlisted men killed and mortally wounded and 140 Enlisted men by disease. Total 239.
== Legacy ==
== Notes ==
== Sources == 
* (Pages 758, 759, 760, 761, 762, 763, 827, 905, 919, 932, 933, 934, 935, 936, 937, 938, 939, 940, 941, 942, 953, 1237-1238)
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