Civil War Medal of Honor Recipient. A native of Scotland, he enlisted in the 121st New York Volunteer Infantry during the second year of the Civil War, being mustered in as a Sergeant in Company E on August 23, 1862. Promoted to regimental Sergeant Major on September 2, 1862, he served in that duty until March 18, 1864, when he transferred to the 30th United States Colored Troops, and was promoted to 1st Lieutenant of Company H. Promoted to Regimental Adjutant on May 1, 1864, he was with his troops as they took part in the disastrous Union charge at the July 30, 1864 Battle of the Crater at Petersburg, Virginia. There, his bravery in action would see him be awarded the Medal of Honor, the citation of with read "One of the first to enter the enemy's works, where, after his colonel, major, and one-third the company officers had fallen, he gallantly assisted in rallying and saving the remnant of the command." After Army of the Potomac engineers blew a huge crater in the Confederate lines, the 30th United States Colored Troops were among the Union forces that were ordered into the crater, which turned into a deathtrap after Confederates recovered from the initial blast and started firing into it. Adjutant Davidson took command of his men after Colonel Delavan Bates was wounded, and Major James C. Leeke was killed, and under intense fire reformed the remnants of his unit and extricated them from the crater. 220 officers and men of the 30th USCT were lost that day. Andrew Davison served through the end of the war, receiving a promoted to Captain and commander of Company B before he was honorably mustered out on December 10, 1865. After the war he returned to his home of Cooperstown, New York, becoming the long time editor of the "Otsego Republican" weekly newspaper. He would later serve as a Senator in the New York State Senate, and was appointed as Commandant of the New York State Soldiers' and Sailors' Home in Bath, New York. His Medal of Honor was awarded to him on October 17, 1892.