He was born in 1838/39. [sources: date: 2 (32 in 1861), 4 (32 in 1861)]
He enlisted and was mustered into service, at Philadelphia, Pennsylvania, on 8 October 1861. He was mustered in as a private, in company I. [sources: 1, 2, 3, 4]
He is listed on company muster rolls for 17 September to 31 October 1861, and for 17 September to 31 December 1861. Whether he was present or absent isn't stated. [source: 4]
He is listed on the company muster-in roll, dated 2 December 1861, Philadelphia, Pennsylvania. But he is not listed on any later muster rolls. [source: 4]
He was not accounted for when the regiment mustered out. He was a private, in company I. [sources: 1, 2, 3]
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) (Michael Brown)
2 Civil War Veterans' Card File, available at the Pennsylvania State Archives, searched 28 March 2005 (Michael Brown)
3 index to compiled service records of volunteer Union soldiers who served in organizations from the state of Pennsylvania (Michael Brown)
4 compiled service record, I 91 PA (Michael Brown)