He was 26 years old when he enlisted (4). He was born in Philadelphia, Pennsylvania (4).
He was a laborer [?] (4).
He was 5 feet 7 inches tall, and had a dark complexion, brown eyes, and brown hair (4).
He was enlisted and mustered into service on 4 September 1861 (1, 4). He was enlisted for three years, at Philadelphia, Pennsylvania, by Captain Starr (4). He served as a private in company C (1).
He deserted on 1 April 1862, at Washington, DC (3). The company C register of deserters reports his "whereabouts [were] not known" (3).
On 23 September 1863, he was reported gained from desertion (2).
He was captured (1).
He died on 5 August 1864 at Andersonville, Georgia (1, 5). He was buried as 'J Haffingle, grave 4,790' (1).
1 Bates, Samuel Penniman. History of Pennsylvania volunteers, 1861-5. Harrisburg: B. Singerly, state printer, 1869-71. 5 volumes. 'Ninety-first regiment', volume 3, pages 186-233. (In the roster) (John Hoffnagle)
2 consolidated morning report, 91st PA, 23 September 1863 (J Hoffnagle)
3 company C, register of deserters, number 7 (John Hoffnagle)
4 company C, descriptive roll, entry 43 (John Hoffnagle)
5 company C, untitled list, probably of status at muster out, entry 92 (John Hoffnagle)
[I did not find an entry for him in the index on <www.ancestry.com> to the pension index by name (searched February 2007)]