He was born in Bucks [County], Pennsylvania (3). He was 19 years old when he was enlisted (3).
He was 5 feet 5 inches tall, and had a light complexion, hazel [?] eyes, and light hair (3).
He was mustered into service on 5 November 1861 (1, 3). He was enlisted for three years, at Philadelphia, Pennsylvania, by Captain Casner (3). He was mustered in as a private in company K, by Lieutenant Francis Gregory (1, 3).
He deserted from Philadelphia, Pennsylvania, on 14 January 1862 (1, 2).
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) (Thos B Knowles)
2 company K, register of deserters, entry 13 (Thomas B Knowles)
3 company K, descriptive roll (Thomas B Knowled)
[I did not find an entry from him in the index on <www.ancestry.com> to the pension index by name]