Is he the same person as Peter Weaver (G)?
He was 18 years old when he was enlisted (3).
He was enlisted and mustered into service on 1 December 1861, at Philadelphia, Pennsylvania (1, 3). He was mustered in as a private (2). He served in company K (1).
On 1 December 1861, he was discharged at Philadelphia, Pennsylvania, on writ of habeas corpus, by order of Judge Allison, because he was underage (1, 2, 3).
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) (Peter Weaver)
2 company K, register of men discharged, #3 (Peter Weaver)
3 Civil War Veterans' Card File, available at the Pennsylvania State Archives, searched 30 May 2005 (Peter Weaver)
[I did not find an entry for him in the index on <www.ancestry.com> to the pension index by name (searched April 2007)]