The companies were recruited principally: The 35th camped on Meridian Hill; moved to Arlington House and was engaged for a time in construction work on Fort Tillinghast and Fort Craig, and moved to Falls Church, Virginia, where it passed the winter of 1861-62.

In March, 1862, camp was broken for the Manassas movement and in April the 35th proceeded to Falmouth, Virginia.

During the latter part of August, the regiment was in action at Rappahannock Station, Sulphur Springs, Gainesville, and participated in the second battle of Bull Run.

At South Mountain the command lost 13 in killed, wounded and missing, and at Antietam the loss was 67.

Until October, the regiment encamped at Sharpsburg, Maryland, then moved to Brooks' station, and was held in reserve at Fredericksburg, Virginia until the day of the battle, when the loss was 23 killed, wounded and missing.