He was born in 1833/34 (4 (27 in 1861), 8 (49 at death in 1883)). He was born in Belfast, Ireland (4, 8).
When he enlisted, he was 5 feet 10 inches tall, and had a fair complexion, hazel eyes, and brown hair (4).
He enlisted and was mustered into service on 20 August 1861 (1, 4, 5, 6). He was enlisted for three years, at Philadelphia, Pennsylvania, by Colonel Reiff (4, 5 [Lt Col]). He was a private in company C (1, 10).
He was discharged on 15 February 1863 on surgeon's certificate of disability, at Washington DC (1 [10 March], 2, 3, 5 [10 March], 6 [21 Feb]). He was a private, in company C (10).
He also served in company B of the 196th Pennsylvania Infantry (6, 7, 9). He was enlisted on 19 July 1864, and mustered out on 17 November 1864 (6).
On 13 January [?] 1880, he unsuccessfully applied for a pension (7, 9).
He died on 20 March 1883 (7, 8). He worked in a book store (8). He was living at, or died at, 1718 Lombard Street (8). He was buried at Odd Fellows' Cemetery, Philadelphia, Pennsylvania (8).
On 28 April 1883, his widow, Mary J Greer, applied successfully for a pension (7, 9).
In 1890, his widow, Jane May, was living in Philadelphia, Pennsylvania, probably at 1611 Bainbridge Street (6).
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) (Thomas R Greer)
2 consolidated morning report, 91st PA, 10 March 1863 (T R Greer)
3 company C, register of men discharged, number 19 (Thomas Greer)
4 company C, descriptive roll, entry 37 (Thomas R Greer)
5 company C, untitled list, probably of status at muster out, entry 30 (Thomas R Greer)
6 1890 US census, veterans schedule, Pennsylvania, Philadelphia, Philadelphia, supervisor's district 1, enumeration district 63, page [blank] (image 291 on Ancestry), line 8 (Thomas R Greer)
7 pension index, by regiment, 91st PA Infantry, company C (Thomas R Greer)
8 death certificate, Philadelphia, Pennsylvania, 20 March 1883 (Thomas R Greer)
9 pension index, by name (Thomas R Greer)
10 index to compiled service records of volunteer Union soldiers who served in organizations from the state of Pennsylvania (Thomas R Greer)
Robert E Simpson (printer) is the only person listed at 1611 Bainbridge; no Greer is listed at 1110 Carpenter; there is no Jane Greer (searched transcription on Ancestry, Jan 2005).