Steuben Co.
| Edward W. Ansted | Fayette Co. |
| Frank P. Ansted | Fayette Co. |
| Theophil Anstett | Benton Co. |
| Philip Anthes | Whitley Co. |
| Charles H. Anthony | Delaware Co. |
| Capt. Edwin C. Anthony | Delaware Co. |
| A. Wesley Antrim | Marion Co. |
| J. Martin Antrim | Marion Co. |
| Nott N. Antrim | Miami Co. |
| Dr. Thomas B. Antrim | Jasper Co. |
| Herman H. Apmann | Vigo Co. |
| H. B. App | Elkhart Co. |
| Alfred Apple | Orange Co. |
| John L. Apple | Orange Co. |
| Solomon Apple | Orange Co. |
| Solomon Apple | Decatur Co. |
| Bartholomew W. Applegate | Howard Co. |
| Bartholomew W. Applegate | Shelby Co. |
| George Franklin Applegate | Tippecanoe Co. |
| Oscar Applegate | Rush Co. |
| Peter Applegate | Owen Co. |
| William L. Applegate | Johnson Co. |
| John H. Appleman | LaGrange Co. |
| William M. Appleton | Whitley Co. |
| Alexander H.Arbuckle | Hendricks Co. |
| Dr. Charles Arburn | Posey Co. |
| George W. Archbold | Adams Co. |
| James M. Archbold | Adams Co. |
| John Archbold | Adams Co. |
| William J. Archbold | Adams Co. |
| Aaron Archer | Pulaski Co. |
| James Archer | Fountain Co. |
| Josiah Archer | Whitley Co. |
| Samuel Archer | Jasper Co. |
| Captain Samuel Archer | Perry Co. |
| Charles M. Archey | Fayette Co. |
| James Archibald | Newton Co. |
| John Archibald | Perry Co. |
| Pierce Archibald | Newton Co. |
| Joseph Ardapple | Indiana State Bios |
| David Andrew Ardery | Decatur Co. |
| James Ardery | Shelby Co. |
| James N. Ardery | Union Co. |
| Dr. Joseph C. Ardery | Decatur Co. |
| Dr. William Ardery | Decatur Co. |
| Thomas S. Arend | Morgan Co. |
| Frederick Arensmann | Dubois Co. |
| Rev. Albert W. Arford | Daviess Co. |
| Charles S. Arford | DeKalb Co. |
| Frank Arford | Daviess Co. |
| Robert Arford | DeKalb Co. |
| Jacob Arheart | Howard Co. |
| Charles F. Aring | Dearborn Co. |
| Charles Arleth | Vigo Co. |
| Oliver Armantrout | Miami Co. |
| Joseph S. Armey | Kosciusko Co. |
| Calvin C. Armfield | Howard Co. |
| J. W. Armfield | Howard Co. |
| T. O. Armfield, M.D. | Tipton Co. |
| Dr. John L. Armington | Decatur Co. |
| Dr. William Armington | Switzerland Co. |
| Dr. William Armington | Decatur Co. |
| David R. Armitage, M.D. | Delaware Co. |
| Liberty T. Armitage | Blackford Co. |
| Orin Arms | Fountain Co. |
| A. B. Armstrong | Howard Co. |
| A. F. Armstrong | Howard Co. |
| Abner Armstrong | Lawrence Co. - Indian Creek Twp. |
| Alfred M. Armstrong | Decatur Co. |
| Ambrose W. Armstrong | Montgomery Co. |
| Ari Armstrong | Lawrence Co. - Perry Twp. |
| Charles Armstrong | Adams Co. |
| Charles L. Armstrong | Miami Co. |
| E. A. Armstrong | Howard Co. |
| Felix Armstrong | Lawrence Co. - Perry Twp. |
| Francis D. Armstrong | Decatur Co. |
| Henry Armstrong | Rush Co. |
| Dr. Horace A. Armstrong | Howard Co. |
| Horace N. Armstrong | Lawrence Co. - Indian Creek Twp. |
| I.N. Armstrong | Boone Co. |
| James Armstrong | Henry Co. |
| James W. Armstrong | Washington Co. |
| Joe Armstrong | Indiana State Bios |
| Joseph D. Armstrong | Spencer Co. |
| Joseph D. Armstrong | Clay Co. |
| Joseph E. Armstrong | Blackford Co. |
| Joseph F. Armstrong | Floyd Co. |
| Kern Armstrong | Indiana State Bios |
| Lanty Armstrong | Howard Co. |
| Lewis P. Armstrong | Fountain Co. |
| Mary Armstrong | Vigo Co. |
| Thomas A. Armstrong | Howard Co. |
| Thomas J. Armstrong | Montgomery Co. |
| W. K. Armstrong | Tipton Co. |
| W.P. Armstrong | Vigo Co. |
| W. S. Armstrong | Howard Co. |
| Walter Scott Armstrong | Indiana State Biographies |
| William Armstrong | Cass Co. |
| Armstrong, Pickett & Co. | Howard Co. |
| Godfrey Arn | Vigo Co. |
| William M. Arndt | Tippecanoe Co. |
| Richard Gordon Arner | Indiana State Bios |
| Epenetus W. Arnett | Sullivan Co. |
| James & William Arnett | Wabash Co. |
| Shadrach H. Arnett | Hancock Co. |
| William Arnett | Sullivan Co. |
| Albert M. Arnold | Miami Co. |
| Alfred N. Arnold | Shelby co. |
| Charles J. Arnold | Putnam Co. |
| Clarence Arnold | Indiana State Bios |
| Clarence Arnold | Shelby Co. |
| D.B. Arnold | Vigo Co. |
| Elisha Arnold | Shelby Co. |
| Enness Arnold | Porter Co. |
| Frank Arnold | Adams Co. |
| George Arnold | Elkhart Co. |
| Dr. George W. Arnold | Porter Co. |
| Jacob Arnold | LaGrange Co. |
| Jesse Arnold | Whitley Co. |
| John Arnold | Dubois Co. |
| John Arnold, M.D. | Rush Co. |
| John Arnold | Whitley Co. |
| Joseph B. Arnold, Jr. | St. Joseph Co. |
| Judge Joseph D. Arnold | Elkhart Co. |
| Leroy Oglevee Arnold | Indiana State Bios |
| Philip Arnold | Kosciusko Co. |
| Preston Brenton Arnold | Indiana State Bios |
| W.F. Arnold | Vigo Co. |
| William C. Arnold | Wells Co. |
| Arnold family | Whitley Co. |
| George W. Arnout | Newton Co. |
| Aaron Arthur | Greene Co. |
| Hiram D. Arthur | Greene Co. |
| James A. Arthur | Elkhart Co. |
| James R. Arthur | Daviess Co. |
| John Franklin Arthur | Daviess Co. |
| John L. Arthur | Kosciusko Co. |
| John W. Arthur | Greene Co. |
| Nehemiah Arthur | Greene Co. |
| the Arthur Family | Daviess Co. |
| George H. Arver | LaGrange Co. |
| Caspar H. Asbrock | Perry Co. |
| Dr. W.H.H. Asbury | Greene Co. |
| George Ash | Cass Co. |
| Robert Ash | Perry Co. |
| Dr. William N. Ash | Elkhart Co. |
| Job B. Ashby | Newton Co. |
| Benjamin Asher | Porter Co. |
| William R. Asher | Morgan Co. |
| John W. Ashleman | DeKalb Co. |
| Henry L. Ashley | Clay Co. |
| Robert T. Ashley | Boone Co. |
| John Ashton | Clark Co. |
| George H. Asire | St. Joseph Co. |
| Isaac N. Askew | DeKalb Co. |
| Clifford G. Askin | Decatur Co. |
| James Aslin | St. Joseph Co. |
| H. M. Aspy | Adams Co. |
| Hiram Aspy | Adams Co. |
| Mark Aspy | Adams Co. |
| William A. Aspy | Adams Co. |
| Henry C. Assche | Dearborn Co. |
| Abarm Aten | Johnson Co. |
| Lawrence H. Athey | Putnam Co. |
| Eugene Atkins | Elkhart Co. |
| George Atkins | Dubois Co. |
| L. Atkins | Porter Co. |
| Edgar W. Atkinson | DeKalb Co. |
| Ernest Scott Atkinson | Vanderburgh Co. |
| Francis Atkinson | Benton Co. |
| William Frederick Atkinson | Spencer Co. |
| the Atkinson family | Benton Co. |
| Myron Atwater | LaGrange Co. |
| William Atwater | LaGrange Co. |
| Benjamin D. Aufderheide | Marion Co. |
| Andrew J. Augermeier | Vanderburgh Co. |
| Levi Augsberger | Adams Co. |
| John C. Augsburger | Adams Co. |
| Moses Augsburger | Adams Co. |
| Michael Augustine | St. Joseph Co. |
| John Aulenbacher | Dubois Co. |
| Adam Ault | Fulton Co. |
| Anna Ault | Fulton Co. |
| Charles Ault | Fulton Co. |
| Eldon Ault | Fulton Co. |
| Herman Ault | Fulton Co. |
| John Ault | Fulton Co. |
| John F. Ault | Fulton Co. |
| Joseph Ault | Fulton Co. |
| Lee Ault | Randolph Co. |
| Lee Ault | Indiana State Bios |
| Margaret Ault | Fulton Co. |
| Norman Ault | Fulton Co. |
| Olive Ault | Fulton Co. |
| Ralph Ault | Fulton Co. |
| Rebecca Ault | Fulton Co. |
| William Ault | Fulton Co. |
| Henry M. Aultman | Decatur Co. |
| William Aumann | Adams Co. |
| Major Balera J. Aurand | LaPorte Co. |
| Aug. Austermiller | Vigo Co. |
| A.G. Austin | Vigo Co. |
| Samuel W. Austin | Montgomery Co. |
| Stephen S. Austin, M.D. | Whitley Co. |
| Thomas R. Austin, M.D. | Spencer Co. |
| Winser Austin | Tipton Co. |
| Peter Auter | Fountain Co. |
| William Avery | Shelby co. |
| William R. Avery | Washington Co. |
| Jacob Axe | Porter Co. |
| Hezekiah Axson | Brown Co. |
| Dr. A.J. Axtell | Monroe Co. |
| George R. Axtell | Greene Co. |
| S.W. Axtell | Greene Co. |
| Thomas J. Axtell | Daviess Co. |
| David J. Axton | Spencer Co. |
| Robert J. Axton | Spencer Co. |
| William E. Aydelotee | Sullivan Co. |
| Charles M. Aydelott | Indiana State Bios |
| F.W. Aydelott | Miami Co. |
| John Aydelott | Fulton Co. |
| Thomas Aydelotte, M.D. | Greene Co. |
| Alonzo L. Ayer | Spencer Co. |
| Joseph V. Ayer | Clay Co. |
| William O. Ayer | Spencer Co. |
| Ashley Ayers | Tipton Co. |
| Drayton M. Ayers | Adams Co. |
| William S. Ayers | White Co. |
| Porter Aylsworth | Porter Co. |
| Amos Evans Ayler, M.D. | Putnam Co. |
| Jonas C. Aylsworth | Fountain Co. |
| Wendall W. Ayres | Indiana State-wide Biographies |
| William S. Ayres | White Co. |