Battle of Chancellorsville

The regiment was commanded by Major Cook, and lost 15 killed, 68 wounded and 103 captured or missing. Lieutenants Davis and Breed were killed, and Captain Robert Hopkins captured.

Major Cook was severely wounded in the foot, disabling him from further service. He had received a commission as lieutenant colonel in March but had not yet mustered. He eventually was discharged in July of 1864 due to his wound, and was brevetted colonel.

Battle of Gettysburg

The regiment was commanded by Colonel Henry A. Barnum, who was forced to give up command due to illness on the night of the 2nd. Lieutenant Colonel Charles B. Randall took over until he was wounded in the shoulder and lung on July 3. Captain Nicholas Grumbach, Jr. then took command of the regiment. The 149th brought 319 men to the field, losing 6 killed and 46 wounded.

From the monument:

5 p.m. July 1, 1863, occupied position near Little Round Top. 4 a.m. July 2, move here, built these works and defended them July 2d, and 3d.

A bas-relief on the monument depicts Color Sergeant William C. Lilly mending the shattered staff of the colors while under fire. The colors received over 80 holes. From the tablet:

Flag was planted in works. Shot down and mended under fire.

Battle of Wauhatchie, Tenn.

Color Sergeant William C. Lilly was mprtally wounded.

Private Philip Goettel earned the Medal of Honor for capturing a flang and a battery guidon.

Battle of Lookout Mountain

The regiment lost 10 killed and 64 wounded. Four members of the Regiment earned the Medal of Honor at Lookout Mountain. Colonel Barnum for “although suffering severely from wounds, he led his regiment, inciting the men to greater action by word and example until again severely wounded.” First Sergeant Norman F. Potter and Private Peter Kappesser for capturing a Confederate flag (a total of five were captured by the regiment), and Sergeant John Kiggins of Company D, who “waved the colors to save the lives of the men who were being fired upon by their own batteries, and thereby drew upon himself a concentrated fire from the enemy.”

Atlanta Campaign

The regiment began the campaign with 380 men, losing 136 killed and wounded in the campaign.

Peach Tree Creek

The regiment lost 17 killed, 25 wounded and 10 missing, including Colonel Barnum, wounded by a shell fragment, and Lieutenant Colonel Randall and Captain David J. Lindsey, who were killed. Sergeant William H. Crosier of Company G earned the Medal of Honor when, “Severely wounded and ambushed by the enemy, he stripped the colors from the staff and brought them back into the line.”

Major Grumbach returned and resumed command of the regiment.