He was 35 years old when he was enlisted (3).
He was enlisted and mustered into service on 24 September 1861 (1, 3). He was enlisted at Philadelphia, Pennsylvania (3). He was mustered in as a private, at Philadelphia, Pennsylvania (3). He served as a private in company D (1).
He deserted on 15 October 1861 (2) or 21 November 1862 (1)--perhaps from Camp Chase, Philadelphia (2, 3 [2 Oct 61]).
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) (George Rayon)
2 company D, register of deserters (George Rayon)
3 Civil War Veterans' Card File, available at the Pennsylvania State Archives, searched 10 August 2004 (George Rayon)
[I did not find an entry for him in the Ancestry index to the pension index by name (searched April 2007)]