Composed of men from New Jersey, it served in the Army of the Potomac.

Early on, the regiment participated in small actions such as the Bog Wallow Ambush in Northern Virginia.

The regiment and brigade served as the 1st Brigade of the 1st Division of the VI Corps, and participated in numerous battles from the June 27, 1862, Battle of Gaines Mill, Virginia, to the final Union assaults on Confederate positions at Petersburg, Virginia, in April 1865.

[1] The remnants of the 3rd New Jersey Volunteer Infantry were mustered out at Hall's Hill, Virginia, on June 29, 1865.

This article about a specific military unit of the American Civil War is a stub.