He was born in Ireland, in 1831/32.
[sources:
place: 4.
date: 3 (23 in 1865), 4 (33 in 1865)]
When he enlisted, he was a bootm[aker].
[source: 4]
Description
When he enlisted, he was 5 feet 9-1/2 inches tall, and had a fair complexion, grey eyes, and light hair.
[source: 4]
During the war
He was a substitute.
He was enlisted and mustered into service on 24 March 1865.
He was mustered in as a private, at Pittsburgh, Pennsylvania.
He was enlisted for one year, at Pittsburgh, Pennsylvania, by Captain Foster.
He was a private in company I.
[sources: 1, 3, 4, 5]
He mustered out with his company on 10 July 1865.
He was a private, in company I.
[sources: 1, 4, 5]
Possible identification
He may be the John Allen Chris Buckingham is studying.
Sources
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)
(John Allen)
5index to compiled service records of volunteer Union soldiers who served in organizations from the state of Pennsylvania
(John Allen)
Note on identification
I have several candidates who are the right age, living in Pennsylvania, but none with the right occupation. See "sources checked unsuccessfully" below for details.
Sources checked unsuccessfully
1850 US census
FamilySearch index (John Allen born Ireland 1830-2 residing in Allegheny County PA) (accessed 22 March 2012)
John Allen 20, born Ireland, in ward 6, Kensington, Philadelphia, has no occupation; he is living with Joseph (44 b. Ireland, manufacturer), Ellen (43 b. Ireland), Bessey (17 b. Ireland), William I (8 b PA), Selenia (6, b. PA), and Margrit [sic] (4, b. PA), and various weavers)
[he died on 5 March 1867, and was buried in Laurel Hill Cemetery--see death notice, John Allen, Philadelphia Inquirer 11 March 1867 page 5; see also Philadelphia PA death certificate]
1860 US census
FamilySearch index (John Allen born Ireland 1830-2 residing in Allegheny County PA) (accessed 22 March 2012)
John Allen in McClure Township, Allegheny County, Pennsylvania (microfilm series M653, film 1065 page 389 = 32 handwritten) was a garden laborer, which does not match the occupation at enlistment
John Allen (30, b. Ireland), in ward 17, Philadelphia PA (microfilm series M653, film 1167, page 504 = 2 handwritten) was a carpet steamer [??], again not matching the enlistment occupation
1870 US census
FamilySearch index (John Allen born Ireland 1830-2 residing in Allegheny County PA) (accessed 22 March 2012)
John Allen 40 born Ireland in Philadelphia Pennsylvania ward 7 (page 571 recto = 11 handwritten) was a laborer
John Allen 40 born Ireland in Lower Macungle, Lehigh County, Pennsylvania (page 319 verso = 20 handwritten) was a farm laborer
1880 US census
FamilySearch index (John Allen born Ireland 1830-2 residing in Allegheny County PA) (accessed 22 March 2012)
John Allin, 50, born Ireland, in Great Bend, Susquehanna County, Pennsylvania, is in farming
1890 US census, veterans' schedules
Ancestry index (accessed September 2006)
note that some John Allen entries had no identifying information
1900 US census
FamilySearch index (John Allen born Ireland 1830-2 residing in Allegheny County PA) (accessed 22 March 2012)
John Allen, born Mar 1832, in Ireland, living in Great Bend Township, Susquehanna, Pennsylvania, page 179 = 4 A handwritten, is a farmer
1910 US census
FamilySearch index (John Allen born Ireland 1830-2 residing in Allegheny County PA) (accessed 22 March 2012)
1920 US census
FamilySearch index (John Allen born Ireland 1830-2 residing in Allegheny County PA) (accessed 22 March 2012)
1930 US census
FamilySearch index (John Allen born Ireland 1830-2 residing in Allegheny County PA) (accessed 22 March 2012)
pension index, by name
Ancestry index (accessed September 2006)
Display
John Allen in the 91st PA gedcom on RootsWeb WorldConnect
[index to compiled service records of volunteer Union soldiers who served in organizations from the state of Pennsylvania]
[transcribed 6 Mar 2014, from Fold3]
Allen, John
Co. I, 91 Pennsylvania Inf.
Pvt. | Pvt.
See also [blank]