[Source: Descriptive Rolls of 91st PA; National Archives and Record Administration]
[related page: officers in the 91st PA (Official Army Register)]
List of Commissioned Officers.
| No. | Names | Rank | Date of Appointment. | Remarks. | |
| 1st | John D. Lentz | Capt | Sept 9th /61 | Mustered in by Lieut. Col. Rieff at Phila Pa
Promoted to Major December 20th 1862 | |
| 2nd | Matthew Hall | " " " | Dec. 20th /62 | Promoted to Captain Dec 20th /62 Vice John Lentz Promoted
Discharged Sept 28th /64 By Reason expiration of term service | |
| 3rd | Theodore A. Hope | " " " | Oct 31st /64 | Promoted to Capt Oct 31st Vice Hall Discharged | |
| 1st | Matthew Hall | 1st Lieut | Sept. 9th /61 | Mustered in By Lieut Col Rieff at Phila Pa
Promoted to Capt Dec 20th 1862 | |
| 1st | David H. Lentz | 2nd Lieut | Sept. 9th /61 | Mustered in By Lieut Col Rieff at Phila Pa
Promoted to Reg'l Qurter [sic] Master January 1st [?] 1863 | |
| 2d | David B. Baker | 1st Lieut | Jany 1st /63 | Promoted to First Lieut from first sergt vice Hall [?]
Promoted Capt Discharged March 9th /64 [According to the Official Army Register, he was discharged as a first lieutenant.] | |
| 3d | Theodore A Hope | 1st Lieut | July 2d /64 | Promoted July 2d from 2d sergt to First Lieut Vice Baker discharged
Promoted Capt vice Hall Discharged | |
| 2d | John L. Graham | 2d Lieut | Aug 9th /64 | Promoted August 9th from 5th sergt Vice David H. Lentz
Promoted R.Q.M. January 1st [?] /63 | |
| 4th | John L. Graham | 1st Lieut | Oct 31st /64 | Promoted First Lieut [?] Vice Hope Promoted Capt Oct 31 /64 | |
| John J Griffith | 2nd Lieut | May 26 /65 | Promoted to 2nd Lieut from 1st Sergt | ||
[Below the list is a pocket with a card in it. The card reads:]
Descriptive Books.
91 Reg't Pa. Inf.
| CO. | NUMBER ON FILE. | NUMBER OF NAMES. | |
| A | |||
| B | |||
| C | |||
| D | |||
| E | 1 | 188 | Last 9 names - trans |
| F | ferred from 118 Pa. Inf | ||
| G | not carded. | ||
| H | |||
| I | |||
| K | |||
| L | |||
| M |
ONLY THE DESCRIPTIVE LIST
HAS BEEN CARDED
FROM THIS BOOK.
Where two or more lists appear, the one
carded is designated thus: "Carded."
Aug. 15, 1894. W. A. J.