| 31st Regiment, Indiana Infantry | ||||
| First Name | Last Name | Company | Rank_In | Rank_Out |
| Granville | Abbott | I | Private | Corporal |
| Edward | Ackerman | E | Private | Private |
| Stephen | Adair | C | Private | Corporal |
| Benjamin F. | Adams | B | Private | Private |
| James H. | Adams | I | Private | Corporal |
| John W. | Adams | D | Private | Private |
| John W. | Adams | F | Private | Private |
| Samuel | Adams | F | Private | Private |
| William C. | Adams | I | Private | Musician |
| Charles E. | Adamson | I | First Sergeant | Captain |
| James | Admire | D | Private | Private |
| James D. | Alaxander | G | Private | Private |
| James H. | Albriton | E | Private | Private |
| John | Alcorn | H | Private | Private |
| Charles | Alexander | |||
| James D. | Alexander | G | Private | Private |
| William M. | Alexander | K | Private | Private |
| Henry | Alfiers | I | Private | Private |
| James H. | Allbriten | E | Private | Private |
| James H. | Allbritton | E | Private | Private |
| John | Allcorn | H | Private | Private |
| Joel V. | Allen | F | Private | Private |
| Joseph W. | Allen | F | Private | Private |
| George W. | Allmon | G | Private | Private |
| Nicholas | Allstott | A | Private | Private |
| George W. | Almon | G | Private | Private |
| Nicholas | Alslott | A | Private | Private |
| Nicholas | Alsott | A | Private | Private |
| Nicholas | Alstott | A | Private | Private |
| James W. | Alt | H | Corporal | Sergeant |
| Dixon | Alvis | C | Private | Private |
| George | Anderson | F | Private | Private |
| Iven | Anderson | C | Private | Private |
| James | Anderson | K | Private | Corporal |
| James M. | Anderson | D | Private | Corporal |
| James N. | Anderson | D | Private | Corporal |
| Robert | Anderson | K | Corporal | First Lieutenant |
| Samuel | Anderson | G | Private | Private |
| G.W. | Andrews | |||
| William | Antebus | B | Private | Private |
| William P. | Anthony | E | Private | Private |
| William | Antibus | B | Private | Private |
| Henry | Appman | E | Corporal | Corporal |
| Alexander | Armstrong | E | Private | Private |
| James B. | Armstrong | F&S | Surgeon | Surgeon |
| Frederick | Arn | A | Captain | Major |
| John | Arn | A | Private | Private |
| John | Arnat | I | Private | Private |
| John | Arnd | I | Private | Private |
| John | Arndt | I | Private | Private |
| John C. | Arterburn | C | Private | First Lieutenant |
| John A. | Arther | K | Private | Private |
| John A. | Arthur | K | Private | Private |
| Joseph | Arthur | K | Private | Private |
| Jerome | Asbury | D | Private | Private |
| Alonzo | Ash | C | Private | Private |
| Charles L. | Ashley | H | Private | Private |
| Joseph E. | Atkins | F | Private | Private |
| John | Aug | B | Private | Private |
| George W. | Aulman | G | Private | Private |
| James W. | Ault | H | Corporal | Sergeant |
| Hesichiah | Axam | G | Private | Private |
| Hezekiah | Axom | G | Private | Private |
| Hezekiah | Axom | G | Private | Private |
| Hezkiah | Axson | G | Private | Private |
| Vinal | Aye | A | Private | Captain |
| Henry | Ayers | H | Private | Private |
| John H. | Ayers | D | Private | First Lieutenant |
| Henry | Ayres | H | Private | Private |
| John H. | Ayres | D | Private | First Lieutenant |
| Edward F. | Bachstein | K | Private | Private |
| Jacob | Bachtold | F&S | Musician | Musician |
| Edward F. | Backstein | K | Private | Private |
| Edward F. | Backstien | K | Private | Private |
| Joseph | Bailey | D | Private | Corporal |
| Stephen D. | Bailey | D | Private | Corporal |
| Henry | Bain | C | Private | Private |
| Samuel A. | Bain | B | Private | Private |
| Henry | Baine | C | Private | Private |
| David | Baker | A | Private | Private |
| Elisha | Baker | C | Private | Private |
| Hickman V. | Baker | E | Private | Private |
| James M. | Balden | B | Private | Private |
| Woodard | Balden | B | Private | Private |
| John | Baldwin | E | Private | Private |
| Samuel A. | Bane | B | Private | Private |
| George W. | Banks | F | Private | Private |
| John W. | Banks | K | Private | Private |
| Lewis A. | Banks | K | Private | Private |
| Matthew | Banks | F | Private | Private |
| George | Barcus | A | Private | Private |
| Joel M. | Barcus | F | Private | Private |
| William O. | Barnaby | B | Private | Private |
| George | Barnard | F&S | Musician | Musician |
| Adam | Barnes | A | Private | Private |
| Benton | Barnes | A | Private | Private |
| Daniel H. | Barnes | F | Private | Private |
| Howard D. | Barnes | F | Private | Private |
| Michael H. | Barnes | E | Private | Private |
| Michael M. | Barnes | E | Private | Private |
| Stephen N. | Barnes | B | Private | Private |
| Patrick | Barnhouse | D | Private | Private |
| Michael H. | Barns | E | Private | Private |
| Stephen N. | Barns | B | Private | Private |
| Edward J. | Bartin | B | Private | Private |
| Edward J. | Barton | B | Private | Private |
| Nathail | Barton | F | Private | Private |
| Nathan | Barton | F | Private | Private |
| Bartlett B. | Bastian | F | Private | Private |
| Edward J. | Bastin | B | Private | Private |
| Bartlett B. | Bastion | F | Private | Private |
| Eberhart H. | Baudy | I | Private | Private |
| Herman H. | Baudy | I | Private | Private |
| Eberhart H. | Bawdy | I | Private | Private |
| Herman H. | Bawdy | I | Private | Private |
| James | Baxter | G | Private | Sergeant |
| John | Baxter | G | Corporal | Corporal |
| Philip. | Bayne | I | Private | Private |
| John H. | Beadle | A | Private | Private |
| William H. | Beadle | A | First Lieutenant | Captain |
| James | Beaman | B | Private | Sergeant |
| Henry | Bear | E | Private | Private |
| Otterbine G. | Beard | I | Private | Private |
| Floyd | Beaty | H | Private | Private |
| John | Beaty | H | Captain | Captain |
| Mason | Beaty | H | Private | Private |
| Milton | Beaty | H | Private | First Sergeant |
| Thomas J. | Beauchamp | C | Private | Corporal |
| Thomas J. | Beauchap | C | Private | Corporal |
| Jacob | Bechtold | Musician | Musician | |
| Alexander D. | Beck | B | Private | Private |
| James F. | Beck | F | Private | Private |
| Samuel | Beck | C | Private | Private |
| Hiram F. | Beckett | F | Private | Private |
| James A. | Beeler | F | Quartermaster Sergeant | First Lieutenant/Quartermaster |
| James C. | Beeler | F | Quartermaster Sergeant | First Lieutenant/Quartermaster |
| Stephen | Beiderman | E | Private | Private |
| John | Beightel | G | Private | Private |
| Elias | Bell | D | Private | Private |
| John | Bell | D | Private | Private |
| Reuben | Bell | I | Private | Corporal |
| Reuben G. | Bell | I | Private | Corporal |
| William | Bell | D | Private | Private |
| Zachariah T. | Bell | D | Private | Private |
| Milton | Belser | D | Private | Private |
| William M. | Belser | D | Private | Private |
| James | Beman | B | Private | Sergeant |
| William | Bemus | K | Private | Private |
| Henry J. | Bender | G | Private | Private |
| John J. | Bender | G | Private | Private |
| James N. | Bennett | G | Private | Sergeant |
| Jonathan | Bennett | F | Private | Private |
| William | Bennett | E | Private | Private |
| George | Beohm | E | Private | Private |
| Lynns | Berkdall | E | Private | Private |
| William C. | Berry | G | Second Lieutenant | Second Lieutenant |
| Adam | Bevans | E | Private | Private |
| Stephen | Biederman | E | Private | Private |
| Archibold | Bilbo | I | Private | Private |
| Archibald | Bilboe | I | Private | Private |
| George W. | Bilderback | F | Private | Private |
| Joseph | Bilderback | F | Private | Sergeant |
| George W. | Bilderbock | F | Private | Private |
| George W. | Bilderbock | F | Private | Private |
| Joseph | Bilderbock | F | Private | Sergeant |
| Joseph | Bilderbock | F | Private | Sergeant |
| Charles | Billingsly | D | Private | Private |
| James M. | Bilyew | D | Private | Private |
| James N. | Bilyew | D | Private | Private |
| James W. | Bilyew | D | Private | Private |
| William J. | Bilyew | D | Private | Private |
| George A. | Bing | B | Private | Private |
| Jefferson | Bishop | I | Private | Private |
| John W. | Black | E | Private | Private |
| William H. | Black | E | Private | Private |
| Cyrus | Blackburn | C | Private | Private |
| John | Blair | A | Corporal | First Sergeant |
| James M. | Blakely | G | Private | Private |
| James S. | Blakely | G | Private | Private |
| William A. | Bland | D | Private | |
| Frederick | Blue | E | Private | Private |
| George W. | Blunk | F | Private | Private |
| George | Bochen | E | Private | Private |
| James | Boes | B | Private | Private |
| John | Boes | B | Private | Private |
| Henry | Boffman | C | Private | Private |
| Daniel | Bogard | E | Private | Private |
| Levi | Bogard | E | Private | Private |
| Levi H. | Bogard | E | Private | Private |
| John | Bohall | E | Private | Private |
| Joseph | Bohall | E | Private | Private |
| William | Bohley | F | Private | Private |
| John | Bohlleber | F B | Private | Private |
| James M. | Bolden | B | Private | Private |
| Woodard | Bolden | B | Private | Private |
| Pleasant M. | Bolen | A | Private | Hospital Steward |
| Albert P. | Boles | D | Private | Private |
| Hardin | Boles | D | Corporal | Corporal |
| William H.H. | Boles | D | Private | Corporal |
| Pleasant M. | Bolin | A | Private | Hospital Steward |
| Nathan | Bond | I | Private | Private |
| William J. | Bonewell | F | Sergeant | Sergeant |
| David | Bonham | F | Private | Corporal |
| David S. | Bonham | F | Private | Private |
| Henry | Boofman | C | Private | Private |
| John | Boon | H | Private | Private |
| William R. | Boon | F | Private | Corporal |
| John | Boone | H | Private | Private |
| William R. | Boone | F | Private | Corporal |
| John | Boriff | H | Private | Private |
| John | Borne | H | Private | Private |
| Dennis R. | Bottorff | F | Private | Private |
| John | Bowan | B | Musician | Corporal |
| Everheart H. | Bowdy | I | Private | Private |
| Herman H. | Bowdy | I | Private | Private |
| William J. | Bowell | F | Sergeant | Sergeant |
| Ellett | Bowen | B | Private | Private |
| John | Bowen | B | Musician | Corporal |
| Young | Bowen | B | Private | Private |
| Henry J. | Bower | F | Private | Private |
| Meyer | Bowers | B | Private | Private |
| Young | Bowers | B | Private | Private |
| John | Bowes | B | Private | Private |
| Westerd | Bowling | H | Private | Private |
| James | Bradburn | - | Private | |