Bates lists three James Nugent's
He was 21 years old when he was enlisted (4).
He was a moulder (4). He was living in Philadelphia, Pennsylvania, when he was enlisted (4).
He was 5 feet 7 inches tall, and had a dark complexion, light eyes, and dark hair (4).
He enlisted and was mustered into service on 25 October 1861 (1, 4). He was enlisted at Philadelphia, Pennsylvania (4). He was mustered in as a private, at Philadelphia, Pennsylvania (4). He served as a private in company A (1).
He reenlisted as a veteran volunteer on 1 January 1864 (1, 4). He was reenlisted at Warrenton, Virginia (4).
He was discharged on surgeon's certificate of disability (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)
2 letter, Sinex to Marvin, 8 September 1863 [possible reference; could be the other James Nugent]
3 special order 4, HQ 91st PA, 16 February 1864
4 Civil War Veterans' Card File, available at the Pennsylvania State Archives, searched 9 August 2004 (James Nugent)
[I did not find an entry for him in the index on <www.ancestry.com> to the 1890 veterans' census (searched November 2005)
[I did not find an entry for him in the index on <www.ancestry.com> to the pension index by name (searched April 2006)]