He was born in 1842/43 (3 (21 in 1864), 8 (25 in 1870)). He was born in Philadelphia, Pennsylvania (3, 8).
When he enlisted, he was a roofer (3).
When he enlisted, he was 5 feet 7 inches tall, and had a light complexion, blue eyes, and light hair (3).
He enlisted and was mustered into service on 26 January 1864 (1, 3). He was enlisted for three years, at Philadelphia, Pennsylvania, by Lieutenant Burk (3). He was a private, in company A (1, 10-11).
He mustered out on 10 July 1865 with his company (1). He was a corporal, in company A (10-11).
In 1870, he was living in Philadelphia, Pennsylvania (8). He was living with his wife Bertha and son Henry (8). He was a tin roofer, and owned $1,000 in personal property (8).
In 1880, his wife, Bertha Volkmer, was living at 1110 Collar Street, Philadelphia, Pennsylvania (9). (I have not yet found him.) She was living with her children Henry, William, and George, and a boarder (9). She was a seamstress (9).
He died on 9 May [?] 1889 (4).
In 1890, his widow, Bertha M Volkmar, was living either at 1237 Marlborough Street (5) or at 638 E Girard Avenue (6), Philadelphia, Pennsylvania. She had a boarding house (6). She had lost his discharge papers (5).
On 12 July 1890, his widow, Bertha Volkmar, applied successfully from Pennsylvania for a pension (4, 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 special order 38, HQ 91st PA, 27 June 1865 (William Volkmar)
3 company A descriptive roll, entry 130 (William J Volkmar)
4 pension index, by regiment (William J Volkmar)
5 1890 US census, veterans schedule, Pennsylvania, Philadelphia, Philadelphia, 7th division, 18th ward, supervisor's district , enumeration district , page  (image 709 on Ancestry), line 15 (William J Volkmar)
7 pension index, by name (William J Volkmar)
8 1870 US census, Pennsylvania, Philadelphia, microfilm series M593, film 1405, page 303 = 135 handwritten (William Volkmar)
9 1880 US census, Pennsylvania, Philadelphia, supervisor's district 1, enumeration district 338, microfiolm series T9, film 1177, page 177 = 18 B handwritten (Bertha Volkmer)
10 index to compiled service records of volunteer Union soldiers who served in organizations from the state of Pennsylvania (William J Valkner)
11 index to compiled service records of volunteer Union soldiers who served in organizations from the state of Pennsylvania (William J Volkmar)
|Name||Volkmar William||- Bertha||- Henry|
|Occupation||Tin roofer||Keeps House|
|Real estate value|
|Personal estate value||1000|
|Father foreign born||1|
|Mother foreign born||1||1|
|Birth month if born within year|
|Marriage month if married within year|
|Attended school past year|
|Deaf, dumb, blind, etc.|
|Male US citizen at least 21 years old||1|
|Male US citizen at least 21 years old who can't vote ...|
|street name||Collar St|
|dwelling visit #||185|
|family visit #||191|
|name||Volkmer Bertha||- Henry||- William||- George||Waldman John|
|month born if born in year|
|married during year|
|occupation||Seamstress||Work in Glass Works||Laborer|
|school this year|