| Icker | Andrew | Student - Not Listed | 1929-1930 | Vonderau | St. Joseph | 6 | Allen | IN |
| Imler | Bill | Student - Not Listed | 1899-1900 | Dixon | Monroe | 6 | Allen | IN |
| Imler | Charles R. | Student - 8th Grd. | 1930-1931 | Not Listed | Perry | | Allen | IN |
| Imler | Helen | Student - 8th Grd. | 1926-1927 | Not Listed | Aboite | | Allen | IN |
| Imler | Ruth | Student - Not Listed | 1899-1900 | Dixon | Monroe | 6 | Allen | IN |
| Inches | John | Student - 8th Grd. | 1926-1927 | Not Listed | Wayne | | Allen | IN |
| Ingham | F. Marian | Teacher - High Sch | 1918-1919 | Leo Grade/High | Cedar Creek | 4 | Allen | IN |
| Ingham | Helen | Teacher - Not Listed | 1911-1912 | Monroeville | Monroe | 9 | Allen | IN |
| Ingham | Mary | Teacher - High Sch | 1917-1918 | Leo Grade/High | Cedar Creek | 4 | Allen | IN |
| Ingles | Margaret A. | Teacher - Latin | 1925-1926 | Woodburn | Maumee | 5 | Allen | IN |
| Ingmire | Chester | Student - 8th Grd. | 1930-1931 | Not Listed | Monroe | | Allen | IN |
| Inlow | Gary Allen | Student - 3rd Grd. | 1952-1953 | Center | Scipio | 2 | Allen | IN |
| Inlow | Mabel | Teacher - Grdes 1-8 | 1931-1932 | Cory | Aboite | 4 | Allen | IN |
| Inlow | Mabel | Teacher - Grdes 1-8 | 1932-1933 | Cory | Aboite | 4 | Allen | IN |
| Inman | Charles Elmer | Student - 8th Grd. | 1930-1931 | Not Listed | Perry | | Allen | IN |
| Inman | Clara | Student - Room 3 | 1899-1900 | Rudisill | Washington | | Allen | IN |
| Inman | Roy | Student - 6th Grd. | 1927-1928 | Huntertown | Perry | 4 | Allen | IN |
| Inman | Ruth | Student - Grammar | 1901-1902 | Rudisill | Washington | | Allen | IN |
| Inman | Ruth | Student - 8th Grd. Graduate | 1905 | | Washington | | Allen | IN |
| Irven | Mabel | Teacher - Grdes 1-8 | 1907-1908 | Randall | Lake | 1 | Allen | IN |
| Irving | Crystal M. | Student - 8th Grd. Graduate | 1916 | | Milan | | Allen | IN |
| Irving | Floyd W. | Student - 8th Grd. | 1917-1918 | Not Listed | Milan | | Allen | IN |
| Irving | Floyd W. | Student - 8th Grd. Graduate | 1918 | | Milan | | Allen | IN |
| Irving | John Donal | Student - 8th Grd. | 1910-1911 | Not Listed | Milan | | Allen | IN |
| Irving | John Donal | Student - 8th Grd. Graduate | 1911 | | Milan | | Allen | IN |
| Irving | Josephine | Teacher - Grdes 1-8 | 1916-1917 | Not Listed | Wayne | 4 | Allen | IN |
| Irving | Josephine | Teacher - Grdes 1-8 | 1917-1918 | Not Listed | Wayne | 4 | Allen | IN |
| Irving | Kenneth | Student - 8th Grd. Graduate | 1923 | | Milan | | Allen | IN |
| Irving | Marie | Teacher - Grdes 1-8 | 1920-1921 | Fitzgerald | Milan | 12 | Allen | IN |
| Irving | Marie | Teacher - Grdes 1-8 | 1921-1922 | Fitzgerald | Milan | 12 | Allen | IN |
| Irving | Marie | Teacher - Grdes 1-8 | 1922-1923 | Fitzgerald | Milan | 12 | Allen | IN |
| Irving | Marie | Teacher - Grdes 1-8 | 1923-1924 | Garver | Milan | 11 | Allen | IN |
| Irving | Mildred Christina | Student - 8th Grd. Graduate | 1921 | | Milan | | Allen | IN |
| Irving | R. J. | Teacher - Grdes 1-8 | 1916-1917 | Meyer | Pleasant | 1 | Allen | IN |
| Irving | Ralph | Teacher - Grdes 1-8 | 1914-1915 | Anspach | Jackson | 2 | Allen | IN |
| Irving | Ralph | Teacher - Grdes 1-8 | 1915-1916 | Anspach | Jackson | 2 | Allen | IN |
| Irving | Ralph A. | Student - 8th Grd. | 1908-1909 | Not Listed | Milan | | Allen | IN |
| Irving | Ralph A. | Student - 8th Grd. Graduate | 1909 | | Milan | | Allen | IN |
| Irving | Ralph A. | Teacher - Grdes 1-8 | 1916-1917 | Garver | Milan | 11 | Allen | IN |
| Irving | Ralph A. | Teacher - Primary | 1917-1918 | Milan Center | Milan | 5 | Allen | IN |
| Irving | Ray | Student - 8th Grd. Graduate | 1909 | | Milan | | Allen | IN |
| Irving | Ray | Teacher - Grdes 1-8 | 1914-1915 | Butt | Lake | 3 | Allen | IN |
| Irving | Ray J. | Teacher - Grdes 1-8 | 1915-1916 | Not Listed | Pleasant | 2 | Allen | IN |
| Irving | Raymond | Student - 8th Grd. | 1908-1909 | Not Listed | Milan | | Allen | IN |
| Irving | Vivian | Student - 8th Grd. | 1926-1927 | Not Listed | Milan | | Allen | IN |
| Irvwin | Charles | Teacher - Grdes 1-8 | 1915-1916 | Not Listed | Adams | 8 | Allen | IN |
| Irvwin | Charles E. | Teacher - Grdes 1-8 | 1920-1921 | Not Listed | Wayne | 8 | Allen | IN |
| Irwin | C. E. | Teacher - Grdes 1-8 | 1895-1896 | Not Listed | Lake | | Allen | IN |
| Irwin | C. E. | Teacher - Grdes 1-8 | 1896-1897 | Not Listed | Lake | | Allen | IN |
| Irwin | Charles | Teacher - Grdes 1-8 | 1910-1911 | Edgerton | Jackson | 1 | Allen | IN |
| Irwin | Charles | Teacher - Grdes 1-8 | 1911-1912 | Edgerton | Jackson | 1 | Allen | IN |
| Irwin | Charles | Teacher - Grdes 1-8 | 1912-1913 | Ruch | Jackson | 5 | Allen | IN |
| Irwin | Charles | Teacher - Grdes 1-8 | 1913-1914 | Hogg | Aboite | 8 | Allen | IN |
| Irwin | Charles | Teacher - Grdes 1-8 | 1914-1915 | Hogg | Aboite | 8 | Allen | IN |
| Irwin | Charles | Teacher - Grdes 1-8 | 1922-1923 | Cory | Aboite | 4 | Allen | IN |
| Irwin | Charles | Teacher - Grdes 1-8 | 1923-1924 | Kelsey | Lafayette | 9 | Allen | IN |
| Irwin | Charles | Teacher - Grdes 1-8 | 1924-1925 | Reed | Lafayette | 7 | Allen | IN |
| Irwin | Charles | Teacher - Grdes 1-8 | 1926-1927 | Crow | Lafayette | 8 | Allen | IN |
| Irwin | Charles | Teacher - Grdes 1-8 | 1927-1928 | Crow | Lafayette | 8 | Allen | IN |
| Irwin | Charles E. | Teacher - Grdes 1-8 | 1895-1896 | McCormick | Lake | 6 | Allen | IN |
| Irwin | Charles E. | Teacher - Grdes 1-8 | 1897-1898 | Hadley | Lake | 8 | Allen | IN |
| Irwin | Charles E. | Teacher - Grdes 1-8 | 1917-1918 | Not Listed | Wayne | 8 | Allen | IN |
| Irwin | Charles E. | Teacher - Grdes 1-8 | 1918-1919 | Not Listed | Wayne | 1 | Allen | IN |
| Irwin | Charles E. | Teacher - Grdes 1-8 | 1919-1920 | Not Listed | Wayne | 8 | Allen | IN |
| Irwin | Charles E. | Teacher - Grdes 1-8 | 1921-1922 | Not Listed | Wayne | 2 | Allen | IN |
| Irwin | Charles E. | Teacher - Grdes 1-8 | 1925-1926 | Fremont | Lafayette | 3 | Allen | IN |
| Irwin | Charles T. | Student - 8th Grd. | 1927-1928 | Not Listed | Lafayette | | Allen | IN |
| Irwin | Charlotte B. | Student - 8th Grd. | 1916-1917 | Not Listed | Wayne | | Allen | IN |
| Irwin | Charlotte B. | Student - 8th Grd. Graduate | 1917 | | Wayne | | Allen | IN |
| Irwin | Dora | Student - 8th Grd. | 1901-1902 | Center | Lake | 4 | Allen | IN |
| Irwin | Lizzie | Teacher - Grdes 1-8 | 1881-1882 | Turner | Marion | 9 | Allen | IN |
| Irwin | William H. | Student - 8th Grd. Graduate | 1918 | | Wayne | | Allen | IN |
| Irwin | William H. | Student - 8th Grd. | 1926-1927 | Not Listed | Wayne | | Allen | IN |
| Isenbarger | Dora | Teacher - Grdes 1-8 | 1901-1902 | Foster | Monroe | 4 | Allen | IN |
| Isenbarger | Dora | Teacher - Grdes 1-8 | 1902-1903 | Foster | Monroe | 4 | Allen | IN |
| Isenbarger | Dora | Teacher - Grdes 1-8 | 1903-1904 | Schlemmer | Monroe | 7 | Allen | IN |
| Isenbarger | Glen | Student - 8th Grd. Graduate | 1909 | Monroeville | Monroe | | Allen | IN |
| Isenbarger | Mary M. | Student - 8th Grd. | 1916-1917 | Not Listed | Monroe | | Allen | IN |
| Isenbarger | Mary M. | Student - 8th Grd. Graduate | 1917 | | Monroe | | Allen | IN |
| Isenbarger | Retha May | Student - 8th Grd. Graduate | 1923 | | Monroe | | Allen | IN |
| Isenberger | Dora | Teacher - Grdes 1-8 | 1900-1901 | Foster | Monroe | 4 | Allen | IN |
| Isenberger | Gertrude | Student - 8th Grd. Graduate | 1904 | | Monroe | | Allen | IN |
| Isenberger | Marvene | Student - 1st or 2nd | 1910-1911 | Monroeville | Monroe | 9 | Allen | IN |
| Ivans | Franklin W. | Teacher - Grdes 1-8 | 1934-1935 | Trevy | Pleasant | 6 | Allen | IN |
| Izak | Ida Iris | Student - 8th Grd. Graduate | 1923 | | Maumee | | Allen | IN |
| Izak | Steven Robert | Student - 8th Grd. | 1921-1922 | Not Listed | Maumee | | Allen | IN |
| Izak | Steven Robert | Student - 8th Grd. Graduate | 1922 | | Maumee | | Allen | IN |
