He was 30 years old when he enlisted in 1861 (6, 7). He was born in Philadelphia, Pennsylvania (6).
He was a machinist (6, 7). He was living at Philadelphia, Pennsylvania (7).
He was 5 feet 8 inches tall, and had a dark complexion, dark eyes, and dark hair (6, 7).
He enlisted and was mustered into service as a private on 12 September 1861 at Philadelphia, Pennsylvania (1, 6, 7). He was enlisted for three years, at Philadelphia, Pennsylvania, by Captain Starr (6). He served as a private in company A (1).
On 22 March 1863, he had returned to duty, from being detached as a teamsters' cook (4).
He fought at the Battle of Gettysburg (8).
On 5 August 1863, he was a cook for Captain Francis Gregory (2).
On 10 December 1863, he was a cook for the company (5).
He reenlisted as a veteran volunteer on 26 December 1863, at Bealton, Virginia (1, 7).
On 18 March 1864, he was released from arrest and restored to duty, but the pay for the time he were absent, transportation, and the reward authorized for deserters, along with the cost of any lost property were deducted from his pay (3). (The consolidated morning reports apparently do not report him as a deserter.)
He was absent, sick, when the regiment mustered out (1, 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)
2 letter, Sinex to Marvin, 5 August 1863
3 general order 3, HQ 91st PA, 18 March 1864
4 consolidated morning report, 91st PA, 22 March 1863 (Pri Fraters)
5 consolidated morning report, 91st PA, 10 December 1863 (Fraters)
6 company A descriptive roll, entry 17 (Fredrick Fraters)
7 Civil War Veterans' Card File, available at the Pennsylvania State Archives, searched 5 May 2004 (Frederick Fraters; rolls also spell name 'Fratus')
8 Pennsylvania Memorial, Gettysburg, Pennsylvania (Fred Fraters)
[I did not find him in the <www.ancestry.com> index to the 1890 veterans' census]
[I did not find him in the index on <www.ancestry.com> to the pension index by name (searched April 2006)]