|William Clawson--F||Thomas Henry Clynes--F||David Emmons|
|John W. Holmes-FHC||Benjamin Laporte-H||Nathan McCrea--F|
|Wesley Sutton-F||Jacob H. Trimmer-F||Edward Wade-F|
|Austin Northrop--G||James Barnes (Barner)--F||William R. Leguire--H & L|
|William H. Marsh--C|
Organized under authority of the War Department at Camp Scott, Staten Island, N Y., as 3rd Regiment, Sickles' Brigade. Left State for Washington, D. C., July 24, 1861. Attached to Sickles' Brigade, Division of the Potomac, to October, 1861. Sickles' Brigade, Hooker's Division, Army of the Potomac, to March, 1862. 2nd Brigade, 2nd Division, 3rd Army Corps, Army of the Potomac, to March, 1864. 2nd Brigade, 4th Division, 2nd Army Corps, to May, 1864. 4th Brigade, 3rd Division, 2nd Army Corps, to July, 1864.
SERVICE.--Duty in the Defenses of Washington, D.C., until March, 1862. Expedition to Lower Maryland September 15-October 2, 1861. Advance on Manassas, Va., March 10, 1862. Expedition from Dumfries to Fredericksburg, Va., and capture of stores March 18. Reconnaissance from Liverpool Point to Stafford Court House and action at Stafford Court House April 4. Ordered to the Peninsula April. Siege of Yorktown April 10-May 4. Battle of Williamsburg May 5. Battle of Seven Pines or Fair Oaks May 31-June 1. Seven days before Richmond June 25-July 1. Battles of Oak Grove June 25. Peach Orchard and Savage Station June 29. White Oak Swamp and Glendale June 30. Malvern Hill July 1 and August 5. At Harrison's Landing until August 16. Movement to Fortress Monroe, thence to Centreville, August 16-26. Pope's Campaign in Northern Virginia August 26-September 2. Action at Bristoe Station or Kettle Run August 27. Battles of Groveton August 29. Bull Run August 30. Duty in the Defenses of Washington until November. At Fairfax Station until November 25. Operations on the Orange & Alexandria Railroad November 10-12. Battle of Fredericksburg, Va., December 12-15. At Falmouth until April 27. "Mud March" January 20-24. Operations at Rappahannock Bridge and Grove Church February 5-7. Chancellorsville Campaign April 27-May 6. Battle of Chancellorsville May 1-5. Gettysburg (Pa.) Campaign Jun 11-July 24. Battle of Gettysburg July 1-3. Pursuit of Lee to Manassas Gap July 5-24. Wapping Heights, Va., July 23. Duty on line of the Rappahannock until October. Bristoe Campaign October 9-22. Advance to line of the Rappahannock November 7-8. Kelly's Ford November 7. Mine Run Campaign November 26-December 2. Payne's Farm November 27. Duty near Brandy Station until May, 1864. Demonstration on the Rapidan February 6-7. Campaign from the Rapidan to the James River May 3-June 15. Battles of the Wilderness May 5-7. Spottsylvania May 8-12. Po River May 10. Spottsylvania Court House May 12-21. Assault on the Salient or "Bloody Angle" May 12. Harris Farm, or Fredericksburg Road, May 19. North Anna River May 23-26. On line of the Pamunkey May 26-28. Totopotomoy May 28-31. Cold Harbor June 1-12. Before Petersburg June 16-18. Eight Companies mustered out June 20, 1864 (Cos. "A," "B," "D," "E," "F," "I" and "K"). Companies "C," "G" and "H" attached to 120th Regiment, New York Infantry. Company "C" mustered out July 20. Company "G" July 2 and Company "H" October 31, 1864. Veterans and Recruits transferred to 120th Regiment New York Infantry.
Regiment lost during service 11 Officers and 150 Enlisted men killed and mortally wounded and 1 Officer and 88 Enlisted men by disease. Total 250.