He was enlisted at Philadelphia, Pennsylvania (3). He served in company A (1).
He deserted at Sharpsburg, [Virginia] (1, 3, 4).
On 8 September 1863, Sinex reported that he was in Philadelphia and able to rejoin the regiment, and requested his return (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)
2 letter, Sinex to Marvin, 8 September 1863
3 company A descriptive roll, entry 103 (James Dyson)
4 Civil War Veterans' Card File, available at the Pennsylvania State Archives, searched 5 May 2004 (James Dyson)
[I did not find him in the index on <www.ancestry.com> to the 1890 veterans' census]
[I did not find an entry for him in the index on <www.ancestry.com> to the pension index by name (searched April 2006)]