These posts are part of a larger series highlighting the contributions and accomplishments of the Invalid Corps/Veteran Reserve Corps during the Civil War. This post only captures some of the activities of individual regiments. Clearly, this is an area ripe for additional research.

3rd Regiment

Organized October 10, 1863, by consolidation of the 8th, 10th, 16th, 28th, 50th, 54th, 168th, 172nd, 189th and 190th Companies, 1st Battalion. Mustered out by Detachments June 28 to December 15, 1865.

During part of the year has been stationed at Washington, performing the ordinary duties of the garrison of Washington, of course in conjunction with other troops. While at the Soldiers’ Rest an immense number of troops, from 800 to 6,000 -per day, passed through to the front. At Alexandria, Va., an average of 600 per day forwarded. At Eastern Branch corral many thousand of Government cattle guarded without loss. Regiment on duty at seventy-five points and in six States at one time. The detachment at New Haven escorted 2,280 men to the front, and (aided by other troops) guarded 6,000 men during the process of organization; duty for six months averaged eight hours per day for each man. One detachment assisted by a company of the Pennsylvania Bucktails, took charge of the One hundred and ninety-third Regiment New York Volunteers, at that time 200 strong, over 400 having deserted; in about two months the regiment was sent off with 1,022 men. At Burlington, Vt., a violent outbreak in a volunteer brigade was quelled by seventy men of the Third, two of the rioters being shot, some ironed, and many arrested. Duty of regiment severe; for weeks together on guard every other day; men known to fall asleep with exhaustion while walking their beats. Discipline excellent, notwithstanding that 608 men were received and 863 discharged, &c., during the year.

Reference:

The War of the Rebellion: a compilation of the official records of the Union and Confederate Armies – https://archive.org/details/warrebellionaco17offigoog/page/n574