Battle of Antietam

The regiment was commanded by Lieutenant Colonel John D. McGregor and fought at the Sunken Road.

From the monument in the National Cemetery at Antietam:

Killed at Antietam, Sept. 17, 1862

Co. A Color Sergt. A. Biering, Private John Byrnes, Private J. Corcoran, Private W. McManus;
Co. B. Capt. John S. Downs,1st Sergt. H. Pickham, Private J. McDonald, Private W.L. Norris, Private John Burns;
Co. C. Capt. H. K. Chapman, Corporal H. Wolfe, Private James Price;
Co. D. Private Philip Diehl, Private G. Frederick, Private F.H. Hausman, Private F. Wilbert;
Co. E. Private Thomas Hickey, Private W. McKnight;
Co. F Private F. Hermann, Private Saml. Fites;
Co. G. Sergt. V.B. Carpenter, Corp. R. Aginton, Private Chas. Wolf, Private M. Hines, Private J. Stewart;
Co. I Corporal E.J. Flagg, Private J. Blumenshein, Private Jas. Hunt, Private P. Riley, Private Phil Rudden, Private B. Gordon;
Co. K. Sergt. S.T. Willetts, Corp. Joshua Smith, Private John Hughes, J.H. Sharrock

Lieutenants Lewis Eagleston, Edward Knoske, William Seton and William Wheeler were wounded.

From the brigade marker at Antietam:

Weber’s Brigade, forming the advance of French’s Division, encountered the enemy near Roulette’s house at about 9:15 A.M., pushed them back to the Bloody Lane and gained a position on the high ground about 60 yards north of this point. Here the Brigade became engaged in an obstinate contest with the enemy which was maintained until, having lost one third of its numbers in killed or wounded, it was relieved by Morris’ Brigade and withdrawn to the vicinity of Roulette’s house where it remained until the close of the day.

Battle of Fredericksburg

The regiment lost 13 enlisted men killed or mortally wounded. Colonel McGregor, Lieutenants William Savage and Willliam Scriber and 49 enlisted men were wounded, and 6 men were missing.

Battle of Chancellorsville

The regiment elected to stay on past the expiration of its enliistement until the battle was done