| Oregon Federal Census Index 1930 | ||||
| Baker County | Series T626 | |||
| Name | Precinct | ED No. | Sheet No. | Line No. |
| Ichortanna*, Sister M. | Baker Ward 4 | 6 | 4 | 39 |
| Ickes, E. D. | Baker Ward 2 | 4 | 4 | 75 |
| Ickes, Essie F. | Baker Ward 2 | 4 | 4 | 76 |
| Iler, John H. | Unity | 45 | 1 | 74 |
| Iler, Minnie | Baker Ward 2 | 4 | 14 | 10 |
| Imadas, Y. | Baker Ward 1 | 3 | 7 | 2 |
| Inalls, Doris | Durkee | 21 | 1 | 37 |
| Inalls, Frank | Durkee | 21 | 1 | 35 |
| Inalls, Margaret | Durkee | 21 | 1 | 38 |
| Inalls, Minnie | Durkee | 21 | 1 | 36 |
| Ingles, Bessie | Bed Rock | 11 | 2 | 26 |
| Ingles, Donald | Bed Rock | 11 | 2 | 27 |
| Ingles, Glen | Bed Rock | 11 | 2 | 25 |
| Ingram, Carl R. | Pine #2 | 37 | 3 | 52 |
| Ingram, Cleveland B. | Baker Ward 5 | 7 | 3 | 12 |
| Ingram, Elsie G. | Haines - Haines Town | 27 | 2 | 91 |
| Ingram, Harry R. | Pine #2 | 37 | 3 | 50 |
| Ingram, Mintie | Pine #2 | 37 | 3 | 51 |
| Ingram, Myrtle E. | Baker Ward 4 | 6 | 1 | 17 |
| Ingram, Stanley E. | Haines - Haines Town | 27 | 2 | 90 |
| Ingram, Stanley F. | Haines - Haines Town | 27 | 2 | 92 |
| Ingram, Vadah Y. | Baker Ward 5 | 7 | 3 | 13 |
| Inman, Guy L. | Pocahontas | 38 | 1 | 23 |
| Inman, Jane B. | Pocahontas | 38 | 1 | 24 |
| Inman, Julia | Baker Ward 3 | 5 | 11 | 94 |
| Inman, Marion C. | Pocahontas | 38 | 1 | 25 |
| Inman, Myrtle Y. | Pocahontas | 38 | 1 | 27 |
| Inman, Novon E. | Pocahontas | 38 | 1 | 26 |
| Inman, Rachel E. | Pocahontas | 38 | 1 | 28 |
| Irby, Charles K. | Baker County | 10 | 4 | 54 |
| Irby, Frank | Baker Ward 1 | 3 | 8 | 89 |
| Irby, Nellie M. | Baker County | 10 | 4 | 52 |
| Irby, Truscott W. | Baker County | 10 | 4 | 53 |
| Irby, Walter J. | Baker County | 10 | 4 | 51 |
| Irven, George | Pocahontas | 38 | 3 | 79 |
| Irvin, Andrew | Baker Ward 3 | 5 | 14 | 10 |
| Irvin, Bell I. | Pine #2 | 37 | 3 | 67 |
| Irvin, Bessie I. | Pine #2 | 37 | 3 | 68 |
| Irvin, Charles E. | Pocahontas | 38 | 2 | 95 |
| Irvin, Harold | Pocahontas | 38 | 2 | 90 |
| Irvin, James | Pocahontas | 38 | 2 | 92 |
| Irvin, Jessie M. | Pine #2 | 37 | 3 | 66 |
| Irvin, Luther | Pocahontas | 38 | 2 | 91 |
| Irvin, Margaret | Baker Ward 3 | 5 | 14 | 12 |
| Irvin, Ruby M. | Pocahontas | 38 | 2 | 96 |
| Irvin, Sarah | Baker Ward 3 | 5 | 14 | 11 |
| Irvin, William A. | Pine #2 | 37 | 3 | 65 |
| Irvington, Allen | Baker Ward 3 | 5 | 9 | 67 |
| Irvington, Louel | Baker Ward 3 | 5 | 9 | 69 |
| Irvington, Mary | Baker Ward 3 | 5 | 9 | 68 |
| Irwin, Ada A. | Baker Ward 5 | 7 | 8 | 20 |
| Irwin, Charles R. | Pine #2 | 37 | 6 | 4 |
| Irwin, Clifford | Pine #2 | 37 | 4 | 31 |
| Irwin, Cliloa | Baker Ward 2 | 4 | 12 | 99 |
| Irwin, Edna L. | Pine #2 | 37 | 6 | 5 |
| Irwin, Helen I. | Pine #2 | 37 | 6 | 6 |
| Irwin, Ira | Pine #2 | 37 | 4 | 32 |
| Irwin, L. | Baker Ward 2 | 4 | 12 | 98 |
| Irwin, Maude M. | Pine #2 | 37 | 4 | 30 |
| Irwin, Walter I. | Pine #2 | 37 | 6 | 7 |
| Ishibe, K. | Baker Ward 2 | 4 | 11 | 83 |
| Ishibe, Nuhe | Baker Ward 2 | 4 | 11 | 84 |
| Ishibe, Pusbiro | Baker Ward 2 | 4 | 14 | 78 |
| Isom, Bernice P. | Baker County | 10 | 6 | 27 |
| Isom, Grover C. | Baker County | 10 | 6 | 25 |
| Isom, Lew W. | Baker County | 10 | 6 | 28 |
| Isom, Lyla M. | Baker County | 10 | 6 | 26 |
| Isom, Oliver S. | Baker County | 10 | 6 | 30 |
| Isom, Oscar W. | Baker County | 10 | 6 | 29 |
| Ison, Asa | Baker Ward 1 | 3 | 2 | 94 |
| Ison, Bernice P. | Eagle Valley #2 | 24 | 3 | 44 |
| Ison, Frank | Baker Ward 1 | 3 | 2 | 92 |
| Ison, Gene | Baker Ward 1 | 3 | 2 | 93 |
| Ison, Josephine | Baker Ward 1 | 3 | 2 | 96 |
| Ison, Luther | Baker Ward 1 | 3 | 2 | 95 |
| Ison, Martha J. | Baker Ward 4 | 6 | 7 | 87 |
| Ison, Mary | Baker Ward 1 | 3 | 2 | 91 |
| Ison, Virgil | Baker Ward 1 | 3 | 2 | 90 |
| Ives, Frank C. | Depot | 8 | 12 | 7 |
| Ives, Lem | Haines | 28 | 1 | 64 |
| Ivey, Mary E. | Baker Ward 4 | 6 | 2 | 44 |
| Ivie, Ida | Baker Ward 3 | 5 | 13 | 32 |
| Ivie, LaRea | Baker Ward 3 | 5 | 13 | 33 |
| Izatt, Alexander S. | McEwen | 34 | 2 | 63 |
| Izatt, Marion S. | McEwen | 34 | 2 | 64 |
| Izatt, Reed | McEwen | 34 | 2 | 65 |