Lieutenant Horatio J. David of Company B, 16th Georgia Infantry Regiment, served the Confederate Army in 1861. The 16th Georgia Infantry Regiment was mustered in the summer of 1861 and participated in several significant battles, including Second Bull Run and Gettysburg. Members of this regiment were known for their bravery and resilience throughout the war.

Source: [Lieutenant Horatio J. David of Company B, 16th Georgia Infantry Regiment]. 1861, https://www.loc.gov/pictures/resource/ppmsca.37174. 

Private Albert H. Davis of Co. E, 9th New Hampshire Infantry Regiment, posed in 1862 with his Model 1841 Mississippi Rifle and other equipment. The 9th New Hampshire Infantry Regiment, initially raised in 1862, played a crucial role in battles such as the Siege of Vicksburg. This regiment faced significant casualties and demonstrated exceptional valor during their service.

Source: [Private Albert H. Davis of Co. E, 9th New Hampshire Infantry Regiment in Uniform, Shoulder Scales, and Hardee Hat with Model 1841 Mississippi Rifle, Sword Bayonet, Knapsack with Bedroll, Canteen, and Haversack]. 1862, https://www.loc.gov/pictures/resource/ppmsca.36462. 

An Unidentified Soldier in Union Uniform, captured in 1861, stands poised with his bayoneted musket against a painted backdrop. While his identity remains unknown, his attire and equipment reflect the standard issue for Union soldiers during the early years of the Civil War.

Source: [Unidentified Soldier in Union Uniform and Plumed Infantry Company A Hardee Hat with Bayoneted Musket, Cap Box, and Cartridge Box in Front of Painted Backdrop Showing Landscape]. 1861, https://www.loc.gov/pictures/resource/ppmsca.36990. 

James McGrail is portrayed in 1861 in Union Uniform with distinct shoulder scales and an eagle breastplate. Soldiers like McGrail were integral to the Union Army, and his attire speaks to the importance of presentation and symbolism during the war.

[Unidentified Soldier in Union Uniform and Plumed Infantry Company A Hardee Hat with Bayoneted Musket, Cap Box, and Cartridge Box in Front of Painted Backdrop Showing Landscape]. 1861, https://www.loc.gov/pictures/resource/ppmsca.36990.