John Hennessy(c. 1840 - )
Home State: New York
Branch of Service: Infantry
Unit: 78th New York Infantry
Before the Antietam Campaign:
He enlisted at age 21 on 27 December 1861 at New York City to serve three years; mustered in as Private, Company A, 78th New York Infantry on 28 December 1861.
In the Antietam Campaign:
He was wounded in action on 17 September 1862 at Antietam.
The remainder of the War:
He was discharged for disability on 31 March 1863, at the US General Hospital, Fort Schuyler, NY.
References, Sources, and other notes:
Basic information from State of New York1.
1 State of New York, Adjutant-General, Annual Report of the Adjutant General of the State of New York [year]: Registers of the [units], 43 Volumes, Albany: James B. Lyon, State Printer, 1893-1905, for the Year 1901 (Serial No. 29), pp. 699-766 [AotW citation 15412]
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