4th Massachusetts Cavalry

== Regimental History and Service Record ==
Organized at Readville December 26, 1863, to February 8, 1864. 1st Battalion formerly Independent Battalion, Massachusetts Cavalry, was assigned as Companies "I," "K," "L" and "M" February 12, 1864. Attached to Light Brigade, District of Florida, 10th Corps, Dept. of the South, to April, 1864. Unattached, Dept. of Virginia and North Carolina, 10th, 18th and 24th Army Corps, and 25th Army Corps, Dept. of Virginia and North Carolina, to August, 1865. Dept. of Virginia to November, 1865.
SERVICE.--Expedition from Jacksonville, Fla., to Lake City, Fla., February 7-22, 1864. Battle of Olustee, Fla., February 20. McGrath's Creek, Cedar Run, March 1. Cedar Run April 2. Ordered to Bermuda Hundred, Va., arriving there May 8. Operations against Fort Darling April 12-16. Bermuda Hundred May 20-30. Jordan's Crossing and Petersburg June 9. Siege operations against Petersburg and Richmond June 16, 1864, to April 2, 1865. At Headquarters, Dept. of Virginia and North Carolina, June 21 to August 15, 1864. At Headquarters, 10th Army Corps, until December, 1864. Demonstration on north side of the James August 13-20. Strawberry Plains August 14-18. Flusser's Mills August 18-19. (Co. "M" detached at Harrison's Landing on outpost duty August 23, 1864, to March, 1865.) Before Petersburg August 24 to September 28. Chaffin's Farm, New Market Heights, September 28-30. Harrison's Landing October 13 (Co. "M"). Fair Oaks October 27-28. Expedition into Charles City and Henrico Counties November 1-5. Duty before Richmond until March, 1865. At Headquarters, Dept. of Virginia and North Carolina, December, 1864, to April, 1865 (Cos. "I," "L" and "M"). At Headquarters, 24th Army Corps, December, 1864, to April, 1865 (Co. "K"). Appomattox Campaign March 28-April 9, 1865. Fall of Petersburg April 2. High Bridge, Farmville, April 6-7. Appomattox Court House April 9, Surrender of Lee and his army. Duty at Richmond until November.
2nd Battalion.--(Cos. "A," "B," "C" and "D.") Sailed from Boston for Hilton Head, S. C, on Steamer "Western Metropolis" March 20, 1864, arriving April 1. Picket and outpost duty at Hilton Head until June. Expedition to Ashepoo River May 22-26 (2 Cos.). 2 Companies moved to Jacksonville, Fla., June 6-8, and duty there until January, 1865, participating in skirmish at Front Creek July 15, 1864. Raid from Jacksonville upon Baldwin July 23-28. Skirmish at South Fork, Black Creek, July 24. St. Mary's Trestle July 26. Raid on Florida Railroad August 15-19. Gainesville August 17. Magnolia October 24. Gum Swamp October 24. 2 Companies on duty at Hilton Head, S.C., June to November, 1864. Expedition to John's Island, S.C., July 2-10. Operations against Battery Pringle July 4-9. Expedition to Boyd's Neck November 29-30. Battle of Honey Hill November 30. Expedition to Deveaux's Neck December !-6. March to Charleston January 15-February 23, 1865. Potter's Expedition to Camden, S. C, April 5-25. Statesburg April 15. Occupation of Camden April 17. Boykin's Mills April 18. Denkin's Mills April 19. Beech Creek, near Statesburg, April 19. Duty in the Dept. of the South until mustered out.
3rd Battalion.--(Cos. "E," "F," "G" and "H.") Sailed from Boston for Hilton Head, S.C., on Steamer "Western Metropolis" April 23, 1864, arriving April 27. Moved to Newport News, Va., May 1-3; thence to City Point May 23, and duty there scouting, picketing and on the fortifications until June 16. Duty at Bermuda Hundred until August 23. Companies "E" and "H" at Headquarters of 18th Army Corps June 16-December 4, and at Headquarters of 25th Army Corps December, 1864, to April, 1865. Company "F" at Headquarters of 24th Army Corps December, 1864, to April, 1865. Company "G" detached at Yorktown and Williamsburg, Va., August 23, 1864, to April, 1865. Occupation of Richmond April 3, 1865 (Cos. "E" and "H"). Company "F" on Appomattox Campaign March 28-April 9. High Bridge, Farmville, April 6-7. Appomattox Court House April 9. Surrender of Lee and his army. Regiment mustered out November 14, 1865. Discharged at Boston November 26, 1865.
Regiment lost during service 4 Officers and 28 Enlisted men killed and mortally wounded and 2 Officers and 128 Enlisted men by disease. Total 162.
== Regimental Roster ==
== Regiment Statistical Information ==
== Legacy ==
== Notes ==
== Sources == 
* (Page 1240)
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