He was born in 1831/32 (2 (29 in 1861)). He was born in Ireland (2).
When he enlisted, he was a miner (2).
When he enlisted, he was 5 feet 6 inches tall, and had a light complexion, blue eyes, and brown hair (2).
He was mustered into service for one year, as a substitute, on 22 March 1865, at Pottsville, Pennsylvania (1, 2). He was enlisted and mustered into service by Captain Bowan (2). He was a private in company E (1, 3-4).
He mustered out on 10 July 1865 with his company (1). He was a private, in company E (3-4).
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 Company E descriptive roll, entry 173 (Patrick Sweeney)
3 index to compiled service records of volunteer Union soldiers who served in organizations from the state of Pennsylvania (Patrick Sweeney)
4 index to compiled service records of volunteer Union soldiers who served in organizations from the state of Pennsylvania (Patrick Sweeny)