[1] Lieutenant Colonel Charles S. Emerson was the acting commander of the regiment until he was sent back to Maine on account of illness on August 27, 1864.
Command then devolved on Major William Knowlton, who died of wounds received at the Battle of Opequon on September 20, 1864.
Captain George H. Nye was then promoted to major on October 18, 1864, and assumed command of the regiment.
Colonel Beal was promoted to brigadier general while Major Nye was elected by a vote of the regiment's officers to become the regimental commander and was promoted to colonel, both on November 30, 1864.
The regiment was attached to 2nd Brigade, 1st Division, XIX Corps, Department of the Gulf, to July 1864.
The remainder of the 29th Maine Infantry mustered out of service June 21, 1866.
[2] The regiment's flags are preserved in the Maine State Museum.
While transferring by rail from the Shenandoah Valley to Washington, D.C., shortly after changing tracks at the Relay House, the regiment's train was pulled onto a siding to allow Lincoln's funeral train to pass.
Duty at various points in South Carolina, with headquarters at Darlington, until March 1866.
(The 1st Light Infantry was, in turn, descendant from the Cumberland County Regiment formed in 1760.
This was the basis of the claim that the 1st, 10th and 29th Maine Regiments were, effectively, the same unit.
[11] As of 2018 this lineage is carried by the 240th Regional Training Institute, Maine Army National Guard, in Bangor.