site logo
[no picture yet]

[no picture yet]

Federal (USV)


John Hennessy

(c. 1840 - ?)

Home State: New York

Branch of Service: Infantry

Unit: 78th New York Infantry

Before Antietam

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.

On the Campaign

He was wounded in action on 17 September 1862 at Antietam.

The rest of the War

He was discharged for disability on 31 March 1863, at the US General Hospital, Fort Schuyler, NY.

References & notes

Basic information from State of New York1.


c. 1840


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]