The 76th New York Infantry Regiment ("Cortland County Regiment") was an infantry regiment in the Union Army during the American Civil War.
The 76th New York Infantry was organized at Cortland and Albany, New York, beginning September 2, 1861, and mustered in for three years service on January 16, 1862, under the command of Colonel Nelson W. Green. (The first company of the regiment was mustered in on October 4, 1861.)
The regiment was attached to 3rd Brigade, Casey's Division, Army of the Potomac, to March 1862. Wadsworth's Command, Military District of Washington, to May 1862. Doubleday's Brigade, Department of the Rappahannock, to June 1862. 2nd Brigade, 1st Division, III Corps, Army of Virginia, to September 1862. 2nd Brigade, 1st Division, I Corps, Army of the Potomac, to January 1864. 1st Brigade, 1st Division, I Corps, to March 1864. 2nd Brigade, 1st Division, I Corps, to March 1864. 2nd Brigade, 4th Division, V Corps, to August 1864. 3rd Brigade, 2nd Division, V Corps, to September 1864. 3rd Brigade, 3rd Division, V Corps, to January 1865.
Companies mustered out as follows: Companies B, F, and K on July 1, 1864; Company A on October 11, 1864; Company G on October 20, 1864; Company C on November 8, 1864; Company E on November 18, 1864; Company I on December 1, 1864; Company H on January 1, 1865; Company D, veterans, and recruits were transferred to 147th New York Infantry on January 28, 1865 and the 76th New York Infantry ceased to exist.
Left New York for Washington, D.C., January 17, 1862. Duty in the defenses of Washington D.C., until May 1862. Duty at and near Fredericksburg, Va., until August. Pope's Campaign in northern Virginia August 16-September 2. Fords of the Rappahannock August 20âÂÂ23. Battles of Gainesville August 2 Groveton August 29, Bull Run August 30. Maryland Campaign September 6âÂÂ22. Battles of South Mountain September 14; Antietam September 16âÂÂ17. At Sharpsburg, Md., until October 29. Advance to Falmouth, Va., October 29-November 19. Battle of Fredericksburg, Va., December 12âÂÂ15. "Mud March" January 20âÂÂ24, 1863. At Falmouth and Belle Plains until April 27. Chancellorsville Campaign April 27-May 6. Operations at Pollock's Mill Creek April 29-May 2. Battle of Chancellorsville May 2âÂÂ5. Gettysburg Campaign June 11-July 24. Battle of Gettysburg, July 1âÂÂ3. Pursuit of Lee to Manassas Gap, Va., July 5âÂÂ24. Duty on line of the Rappahannock until October. Bristoe Campaign October 9âÂÂ22. Advance to line of the Rappahannock November 7âÂÂ8. Mine Run Campaign November 26-December 2. Demonstration on the Rapidan February 6âÂÂ7, 1864. Campaign from the Rapidan to the James River May 3-June 15. Battle of the Wilderness May 5âÂÂ7; Laurel Hill May 8; Spotsylvania May 8âÂÂ12; Spotsylvania Court House May 12âÂÂ21. Assault on the Salient May 12. North Anna River May 23âÂÂ26. Jericho Ford May 23. On line of the Pamunkey May 26âÂÂ28. Totopotomoy May 28âÂÂ31. Cold Harbor June 1âÂÂ12. Bethesda Church June 1âÂÂ3. Before Petersburg June 16âÂÂ18. Siege of Petersburg June 16, 1864, to January 28, 1865. Weldon Railroad August 18âÂÂ21, 1864. Poplar Springs Church September 29-October 2. Boydton Plank Road, Hatcher's Run, October 27âÂÂ28. Hicksford Raid December 7âÂÂ11.
The regiment lost a total of 330 men during service; 12 officers and 161 enlisted men killed or mortally wounded, 1 officer and 156 enlisted men died of disease.