Alvin M. Johnson was a 22-year-old resident of Farmington when he was mustered in to Company C of the 1st Maine in October 1861. He was detailed as orderly to General Ricketts in 1862.
Johnson was wounded during the company's charge up the turnpike at Middleburg on June 19, 1863. He was mustered out on November 25, 1864.
He was photographed wearing dark blue trousers and with the collar of his mounted service jacket turned down.