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W.H. Terwilliger

W.H. Terwilliger

Federal (USV)


William Harrison Terwilliger


(1835 - 1915)

Home State: New York

Branch of Service: Infantry

Unit: 83rd New York Infantry (9th Militia)

Before Antietam

Going by Harrison, in 1860 he was a 24 year old miller at Montgomery in Orange County, NY. He enlisted in New York City and mustered as Sergeant, Company G, 9th New York State Militia (later designated 83rd Infantry) on 27 May 1861. He was commissioned First Lieutenant on 28 August 1862 (to date from 21 July).

On the Campaign

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

The rest of the War

He was discharged on 1 January 1863 and enrolled again, at Newburgh, NY for 9 months' service, and mustered as Captain, Company A, 168th New York Infantry (19th Militia) on 9 January. He mustered out with them on 31 October 1863.

He enlisted again, at Walkill, NY and mustered as a Private in Company E, 63rd New York Infantry on 9 March 1864. He was appointed First Sergeant on 21 April, promoted to First Lieutenant on 20 June, and commissioned Captain of Company A on 19 November 1864. He was promoted to Major on on 28 February 1865 (to date from 15 October 1864) and to Lieutenant Colonel on 1 July, though he was not mustered at that rank. He mustered out with his regiment on 30 June 1865 at Alexandria, VA.

After the War

By 1870 and to at least 1880 he was a railroad yard master in Orange County, NY. In 1900 he lived in Manhattan, NY and was a packer in the Customs House there. In 1910, then 74 years old, he was a government clerk and lived with a grandson in the Bronx.

References & notes

His service from the State of New York.1 Personal details from family genealogists and the US Census of 1860-1910. His memorial is on Findagrave; as William Henry Terwilliger. His picture from a group photograph of officers of the 63rd New York Infantry now at the Library of Congress.

He married Mary Francis Hubbard (1839-1919) and they had 2 children, born in 1860 and 1862.


12/27/1835; Wurtsboro Hills, NY


02/06/1915; Bronx, NY; burial in Woodlawn Cemetery, Bronx, NY


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, Ser. No. 30, p. 723; Ser. 27, 184; 1905, Ser. 41, p. 92;   [AotW citation 7454]