He was born in 1837/38 (2 (23 in 1861), 6 [65 in ?1895], 7 [55 in ?1895], 8 [60 in 1900], 9 [60 at death in 1900], 11 (27 in 1861)). He was born in Reading, [Berks County,] Pennsylvania (6, 7, 9).
He also served in the 53rd Pennsylvania Infantry (3, 4, 6). He was mustered in in 1861 (4). He was discharged in 1864 (4).
He enlisted and was mustered into service at Philadelphia, Pennsylvania, on 27 November 1861 (1, 2, 4, 11 (29 Nov), 12 (29 Nov)). He was a private in company B (1, 10, 11, 12, 13, 14).
He was discharged on 16 May 1862 on surgeon's certificate of disability (4, 10, 11, 12, 13, 14; 1 and 2 have "not accounted for").
He may have served again in the 91st from 27 September 1864 to 29 May 1865 (4b).
He served for six months (6, 7).
On 30 June 1876, he successfully applied for a pension (3, 5).
In 1890, he was living at 1 rear 715 Winfield Place, Philadelphia, Pennsylvania (3). He had rheumatism (3).
He was admitted to the National Soldiers Home on 25 October 1895 (6, 7). He was admitted from Pennsylvania (6, 7). He had rheumatism (6, 7). He was receiving a pension of $6 per month (6, 7).
In 1896, he was present in the Southern Branch of the National Soldiers Home (6).
On 9 January 1897, he was discharged from the Southern Branch of the National Soldiers Home (7).
He died on 2 May 1900, at Jefferson Hospital, Philadelphia, Pennsylvania, of apoplexy (5, 9). He was married (9). He was a laborer (9). On 3 May 1900, he was buried at Mechanics Cemetery, Philadelphia, Pennsylvania (9).
On 9 May 1900, his widow, Joanna Jacobs, successfully applied from Pennsylvania for a pension (3, 5).
I have combined William Jacobs and Henry A M Jacobs, who are separated in Bates, based on the index to the compiled service records. Note that Bates lists Henry as not accounted for at muster out (see source 1).
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) (HAM Jacobs)
2 Civil War Veterans' Card File, available at the Pennsylvania State Archives, searched 28 June 2004 (HAM Jacobs)
3 pension index, by name (Henry A M Jacobs)
4 1890 US census, veterans schedule, Pennsylvania, Philadelphia, Philadelphia, 2 entries: (a) supervisor's district 1, enumeration district 178, page [1] (image 1212 on Ancestry), line 6, and (b) supervisor's district 1, enumeration district 178, page [blank] (image 1213 on Ancestry), line 1 (Henry A M Jacobs)
5 pension index, by regiment (Henry AM Jacobs)
6 Report of the Board of Managers of the National Home for Disabled Volunteer Soldiers for the fiscal year ended June 30, 1896. Serial Set volume 3516, session volume 40, 54th Congress, 2nd Session, House Document 46. Page 840. (Henry A M Jacobs)
7 Report of the Board of Managers of the National Home for Disabled Volunteer Soldiers for the fiscal year ended June 30, 1897. Serial Set volume 3664, session volume 36, 55th Congress, 2nd Session, House Document 27. Page 750. (Henry M Jacobs)
8 'Official death returns'. Philadelphia Inquirer, 4 May 1900, page 12] (Hy. Jacobs)
9 death certificate, Philadelphia, Pennsylvania, 30 April 1900 (Henry A M Jacobs)
10 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) (William Jacobs)
11 Civil War Veterans' Card File, available at the Pennsylvania State Archives, searched 28 June 2004 (William Jacobs)
12 index to compiled service records of volunteer Union soldiers who served in organizations from the state of Pennsylvania (William Jacobs)
13 index to compiled service records of volunteer Union soldiers who served in organizations from the state of Pennsylvania (Henry A M Jacobs)
14 index to compiled service records of volunteer Union soldiers who served in organizations from the state of Pennsylvania (Henry M Jacobs)