He was born in Ireland (6). He was born in 1816/17 (6 (44 in 1861)).
When he enlisted, he was a lab[orer] (6).
When he enlisted, he was 5 feet 9 inches tall, and had a light complexion, blue eyes, and grey hair (6).
He enlisted and was mustered into service on 11 December 1861 (1, 3 [8 Dec], 6, 8). He enlisted for three years, at Philadelphia, Pennsylvania, by Captain Brown (6). He was mustered in as a private in company H (1, 9).
He was discharged at camp near Falmouth, Virginia, on 11 April 1863 on surgeon's certificate of disability (1, 2, 3, 5, 6, 8). He was a private, in company H (9).
On 17 January 1871, he applied successfully for a pension (7, 8).
In 1890, he was living at 1640 Becket, Philadelphia, Pennsylvania (3, 4). He was a laborer (4). Thomas Lenahan was also living there (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 consolidated morning report, 91st PA, 24 April 1863 (Patrick Lanaham)
3 1890 US census, veterans schedule, Pennsylvania, Philadelphia, Philadelphia, supervisor's district 1, enumeration district 263, page 1 (image 1506 on Ancestry), line 11 (Parick [sic] Lanahan)
4 1890 Gopsill's Philadelphia directory (Patrick Lenahan)
5 company H, register of men discharged, #37 (Patrick Lanahan)
6 company H, descriptive roll, #93 (Patrick Lanaham)
7 pension index, by name (Patrick Lanahan)
8 pension index, by regiment, 91st PA Infantry, company H (Patrick Lanahan)
9 index to compiled service records of volunteer Union soldiers who served in organizations from the state of Pennsylvania (Patrick Lanahan)