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(1811 - ?)
Home State: New York
Education: Royal College of Surgeons (Edinburgh), Class of 1831
Command Billet: Medical Director
Branch of Service: Medical
Unit: 2nd Division, 9th Corps
Before Antietam
He had probably been the house physician of the Astor Hotel in New York City in the 1840s and was wealthy and gave his occupation as gentleman at the 1860 US Census for Middleton, Richmond County, NY. He was commissioned Surgeon, US Volunteers on 4 April 1862 and was assigned to General Sturgis' Division.
On the Campaign
Of his service on the Maryland Campaign General Sturgis later wrote
Surg. A. T. Watson labored night and day in ministering to the wounded, and is deserving of the gratitude of the country.
The rest of the War
He continued with Sturgis' Division to Fredericksburg, VA in December 1862. In the fall of 1864 he was Surgeon in Charge at the Webster US Army General Hospital in Manchester, NH. He was honored by brevet to Lieutenant Colonel on 13 March 1865 for his war service and mustered out on 27 November 1865.
References & notes
His service from Heitman.1 Maryland detail quoted from the General's after-action Report. His roles at Antietam and Fredericksburg from Duncan.2 Personal details from family genealogists and the US Census of 1860.
He married the widow Helen Fredericka King Shelton (1817-) daughter of prominent New York lawyer Elsiha W King (1781-1836) in May 1846 in New York City and they had 2 children.
Birth
1811 in SCOTLAND
1 Heitman, Francis Bernard, Historical Register and Dictionary of the United States Army 1789-1903, 2 volumes, Washington DC: US Government Printing Office, 1903, Vol. 1, pg. 1009 [AotW citation 28784]
2 Duncan, Louis C., and Captain, Medical Corps, US Army, The Medical Department of the United States Army in the Civil War: unpublished collection, c. 1916, pp. 41, 45 [AotW citation 28785]