There are 136 officers and soldiers assigned to Company I.
| Name | Unit | Rank | Age | Remarks |
|---|---|---|---|---|
| (Click on a name below to see more information.) | ||||
| Conrad Allenberger | Company I | Private | 26 | |
| Jacob Bailleux | Company I | Private | 32 | |
| Alfred Baker | Company I | Private | 18 | Discharge by Civil Authority |
| George Ball | Company I | Private | 25 | |
| Albert W. Ballard | Company I | Private | 19 | |
| Henry Ballard | Company I | Private | 18 | |
| Phillip Ballard | Company I | Private | 44 | Transferred to Co. B, 8th Veteran Reserve Corps 12/3/1864 |
| James M. Barber | Company I | Private | 27 | |
| Robert H. Barr | Company I | Private | 23 | |
| Haman Billings | Company I | Private | 41 | |
| Amos Binkley | Company I | Private | 22 | |
| Dickerson Bolles | Company I | Private | 25 | |
| Lorenzo Borden | Company I | Private | 44 | |
| Jeremiah Boyer | Company I | Private | 29 | |
| James I. Brim | Company I | Sergeant | 20 | Mustered as private; appointe Sergeant |
| Osman Bucklin | Company I | Private | 30 | |
| Michael Burgomaster | Company I | Private | 23 | |
| Samuel Camp | Company I | Private | 52 | |
| Enoch Campbell | Company I | 1st Sergeant | 28 | Mustered as private; appointed 1st Sergeant |
| Nelson F. Campbell | Company I | Private | 34 | |
| Michael Conrod | Company I | Private | 28 | Transferred from Co. H 1861 |
| Samuel Crays | Company I | Private | 20 | Enlisted in 72d OVI |
| James Crego | Company I | Sergeant | 33 | Mustered in as James Criedo; appointed Corporal 1/27/1862; sergeant 8/8/1863 |
| Adam Crosser | Company I | Private | 32 | |
| William Culver | Company I | Private | 38 | |
| William Cunningham | Company I | Private | 29 | |
| Solon Davis | Company I | Private | 20 | |
| Gottlieb Delventhal | Company I | Corporal | 19 | Appointed Corporal 1/28/1865 |
| Henry Diehl | Company I | Private | 19 | |
| William Dodd | Company I | Private | 18 | |
| Lewis Dubbs | Company I | 2nd Lieutenant | Appointed 10/8/1861; resigned 4/14/1863 | |
| George H. Edgar | Company I | Private | 18 | Enlisted in 67th OVI |
| Benedict Emch | Company I | Private | 18 | |
| John Emch | Company I | Corporal | 18 | |
| Lewis England | Company I | Private | 22 | |
| Charles W. Engle (Ingle) | Company I | Private | 19 | |
| Richard Evans | Company I | Private | 44 | |
| Henry H. Fast | Company I | 1st Sergeant | 26 | Appointed Sergeant from private 12/25/1861; 1st Sergeant 4/20/1863 |
| Gilbert F.W. Fuller | Company I | Private | 24 | |
| Antone Gardin | Company I | Private | 29 | |
| James H. Gardner | Company I | Private | 18 | |
| William H. Gardner | Company I | Private | 18 | |
| John Gorril | Company I | Private | 26 | |
| Joseph O. Gregg | Company I | Corporal | 21 | Appointed Corporal 1/27/1862 |
| Shepard C. Harmon | Company I | Private | 27 | |
| Henry R. Harpel | Company I | Private | 38 | |
| Henry W. Harpel | Company I | Private | 37 | On muster-in roll; no further record found |
| Joseph A. Harple | Company I | Corporal | 26 | Appointed Corporal |
| A.J. Hess | Company I | Private | 28 | |
| Lyman J. Hissong | Company I | Private | 22 | Transferred from Co. A 12/1/1861 |
| James Holmes | Company I | Private | 31 | |
| Archibald B. Hoover | Company I | Private | 18 | |
| William Hopkins | Company I | Private | 33 | |
| William H. Hough | Company I | Private | 20 | |
| Joseph Hoy | Company I | 1st Lieutenant | 27 | Appointed 1st Sergeant from Sergeant 10/28/1864; promoted to 1st Lieut 1/11/1865 |
| Henderson J. Hunter | Company I | 2nd Lieutenant | 38 | Transferred from Co. E |
| John Hutchinson | Company I | Private | 25 | |
| Charles W. Ingle | Company I | Private | 19 | Mustered in as Charles W. Engle |
| Elbert W. Ingle | Company I | Private | 18 | |
| Isaac W. Ingle | Company I | Private | 20 | |
| John W. Ingle | Company I | Private | 28 | |
| Perry Ingle | Company I | Private | 18 | |
| Asa Jackson | Company I | Private | 25 | |
| Ebenezer N. Jarvis | Company I | Private | 37 | Appointed Corporal 8/8/1863; reduced 4/1/1865 |
| Willard C. Johnson | Company I | Private | 25 | |
| Frederick Keerit | Company I | Private | 26 | |
| James Kelley | Company I | Private | 38 | |
| Collin A. Kellog | Company I | Private | 18 | |
| Thomas H. Kellogg | Company I | Sergeant | 18 | |
| Ira M. Kelsey | Company I | 1st Lieutenant | 31 | Appointed 12/18/1861 |
| Abram D. Kennel | Company I | Private | 20 | |
| William Kidder | Company I | Private | 21 | Discharged by Civil Authority |
| John C. Kieffer | Company I | Private | 31 | |
| James Kinney | Company I | Private | 25 | |
| Michael Kryder | Company I | Private | 42 | Enlisted in 67th OVI |
| William G. Lamb | Company I | Private | 41 | Promoted to Com. Sergeant 11/27/1861 |
| Thomas C. Lane | Company I | Private | 39 | |
| David Lethman | Company I | Private | 28 | Mustered in as David Sethman |
| Myron B. Loop | Company I | Private | 22 | |
| William H. Loop | Company I | Private | 34 | |
| Robert B. Lynn | Company I | Private | 43 | |
| Hiram Main | Company I | Private | 21 | |
| John Marks | Company I | Private | 35 | |
| David Marris | Company I | Private | 18 | |
| Carey E. McCann | Company I | Private | 20 | Promoted to Hospital Steward 10/8/1864 |
| James M. McGiffin | Company I | Private | 34 | Promoted to Hospital Steward 11/26/1861 |
| Daniel Merrett | Company I | Private | 28 | |
| William Miller | Company I | Private | 21 | |
| Jerry Miner | Company I | Private | 44 | |
| Ira H. Moorhouse | Company I | Private | 18 | |
| Frederick Nieman | Company I | Private | 20 | |
| Barnett Older | Company I | Private | 20 | |
| Silas Older | Company I | Private | 18 | |
| Conrod Oltenberger | Company I | Private | 21 | |
| Lloyd T. Patterson | Company I | Corporal | 23 | Transferred to 1st Mississippi Colored Heavy Artillery 1/3/1864 |
| Thomas Patterson | Company I | Corporal | 21 | Appointed Corporal |
| William Patterson | Company I | Corporal | 28 | |
| Allen Pattison | Company I | Private | 30 | |
| Benjamin F. Perrine | Company I | Private | 26 | |
| Arthur Pierce | Company I | Private | 23 | Promoted to Com. Sergeant in Missouri Volunteers 11/23/1861 |
| Joseph H. Pierce | Company I | Private | 18 | |
| Hiram H. Poe | Company I | Captain | Appointed 12/18/1861 | |
| James F. Powers | Company I | Sergeant | 19 | Appointed Corporal 9/1/1864; Sergeant 1/28/1865 |
| John Radel | Company I | Private | 32 | |
| Archibald S. Reed | Company I | Private | 20 | Enlisted in 72d OVI |
| Laland Richardson | Company I | Private | 21 | Enlisted in 57th OVI |
| George Riffer | Company I | Private | 41 | |
| Silas W. Roland | Company I | Private | 21 | |
| Henry Rolert | Company I | Private | 30 | |
| James Rose | Company I | Private | 42 | |
| Louis Rupart | Company I | Private | 22 | |
| Samaritan M. Salsbury | Company I | Private | 18 | |
| Stanelath Salsbury | Company I | Private | 22 | On muster-in roll; no further record found |
| George Saltzman | Company I | Private | 26 | |
| John M. Scott | Company I | Corporal | 20 | |
| Milton M. Scott | Company I | Private | 30 | Mustered in as Newton Scott |
| George Sherer | Company I | Private | 18 | |
| George Shoder | Company I | Private | 39 | |
| Henry S. Spafford | Company I | Private | 28 | |
| Henry E. Spohn | Company I | Private | 33 | |
| George W. Stephens | Company I | Private | 18 | |
| Henry F. Sternaman | Company I | Private | 18 | |
| William R. Sternaman | Company I | Private | 18 | |
| Philip Thamon | Company I | Private | 31 | Also borne on the rolls as Philip Thamaw |
| John D. Travis | Company I | Captain | 21 | Promoted from 1st Sergeant Co. G 1/11/1865 |
| Asa H. Tyler | Company I | Private | 41 | |
| Leonard Vickery | Company I | Private | 20 | Mustered in as Leonard Viceroy |
| Andrew Walker | Company I | Private | 38 | |
| Virgil Walling | Company I | Private | 18 | |
| William Walling | Company I | Private | 21 | |
| Frederick Weasner | Company I | Private | 20 | |
| Alexander Weaver | Company I | Private | 39 | |
| Ephraim B. Whitman | Company I | Private | 20 | Enlisted in 72d OVI |
| Robert Whitman | Company I | Private | 23 | |
| John Wical | Company I | Private | 24 | Enlisted in 67th OVI |
| John Wilcox | Company I | Private | 21 | Discharged 12/31/1863, at Vicksburg, MS, to enlist in 8th Ohio Battery |