He was 17 years old when he was enlisted (4). He was born in Philadelphia, Pennsylvania (4).
He was a laborer (4). He was living in Philadelphia, Pennsylvania, when he was enlisted (4).
He was 5 feet 3 inches tall, and had a light complexion, hazel eyes, and brown hair (4).
He was enlisted and mustered into service on 25 February 1864 (1, 4) He was enlisted at Frankford, Pennsylvania (4). He was mustered in as a private, at Frankford, Pennsylvania (4). He served as a private in company D (1).
He was wounded in action (1).
He died in the field, in Virginia, on 18 June 1864 of wounds received in action (1, 3, 4, 5).
The Record of the Federal Dead lists him as being originally buried on Prince George Road, one-half mile east of Meade Station; other soldiers from this same area were moved to Poplar Grove Cemetery, but most of them are now listed as unknown soldiers at Poplar Grove (2).
On 21 July 1864, his mother, Margaret L Keen, applied successfully for a pension (6, 7).
On 21 November [?] 1873, his sister, Mary H Leo, applied successfully for a pension (6, 7).
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) (Samuel H Keen)
2 Poplar Grove Cemetery records (thanks to Elizabeth Dinger-Glisan for the information!) (Henry Keen)
3 company D, register of deaths (Samuel H Keen)
4 Civil War Veterans' Card File, available at the Pennsylvania State Archives, searched 9 August 2004 (Samuel H Keen)
5 consolidated morning report, 91st Pennsylvania, 29 June 1864 (Private Keen)
6 pension index, by name (Samuel H Keen)
7 pension index, by regiment, 91st PA Infantry, company D (Samuel H Keen)
[I did not find an entry for him in the index on <www.ancestry.com> to the 1890 veteran's census (searched May 2007)]