The 23rd New Jersey Volunteer Infantry Regiment lost 4 officers and 31 enlisted men killed or mortally wounded and 1 officer and 54 enlisted men to disease during the Civil War. The regiment is honored by a monument at Salem Church, near Fredericksburg.

1862
Organized at Beverly, New Jersey of men from Burlington and Burlington County.
September 13 Mustered in under Colonel John S. Cox.
September 26 Left State for Washington, D.C. then moved to Frederick, Md.,
October 8 March to Bakersville, Md. and attached to 1st Brigade, 1st Division, 6th Army Corps, Army of the Potomac (the First New Jersey Brigade).
November 9 At New Baltimore. Colonel Cox resigned after Brigadier General Gabriel Paul brought court martial charges for incompetence. Lieutenant Colonel Henry O. Ryerson of the 2nd New Jersey Infantry was promoted to colonel and given command of the 23rd and Captain E. Burd Grubb of the 3rd New Jersey Infantry was promoted to major and transferred to the 23rd.
December 12-15
Battle of Fredericksburg
January-April Duty near Falmouth, Va.
1863
January 20-24 “Mud March”
March 26 Colonel Ryerson was transferred to the 10th New Jersey Infantry.
April 9 Twenty-one year old Major E. Burd Grubb was promoted to colonel
April 27-May 6 Chancellorsville Campaign
April 29-May 2 Operations at Franklin’s Crossing
May 3
Battle of Maryes Heights (Second Fredericksburg)
May 3-4
Salem Heights
May 4 Banks’ Ford
The regiment volunteered for service before muster out during the Gettysburg Campaign, and moved to Harrisburg, Pa.
June 27 Mustered out