He was born in 1838/39 (2 (25 in 1864). He was born in Londonderry, Ireland (2).
When he enlisted, he was a laborer (2).
When he enlisted, he was 5 feet 8-1/2 inches tall, had a dark complexion, brown eyes, and dark hair (2).
He enlisted and was mustered into service for three years as a recruit on 20 January 1864, at Philadelphia, Pennsylvania (1, 2). He was enlisted and mustered in by Captain Grover (2). He served in company E (1, 5).
On 16 June 1865, he was promoted, effective 1 June 1865, to corporal (1, 3).
On 28 June 1865, he began a furlough, which expired on 13 July 1865 (4).
He was absent, on furlough, when the regiment mustered out (1). He was a corporal, in company E (5).
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 descriptive roll, company E, entry 141 (Michael McCartney)
3 special order 36, headquarters, 91st Pennsylvania Infantry, 16 June 1865 (Michael McCartney)
4 enlisted men's furloughs (Michael McCartney)
5 index to compiled service records of volunteer Union soldiers who served in organizations from the state of Pennsylvania (Michael McCartney)