| Osborn | Jennie | Teacher - Grdes 1-8 | 1909-1910 | Putt | Pleasant  | 3 | Allen | IN | 
| Osborn | Jennie | Teacher - Primary | 1910-1911 | Yoder | Pleasant  | 8 | Allen | IN | 
| Osborn | Jennie | Teacher - Primary | 1911-1912 | Yoder | Pleasant  | 8 | Allen | IN | 
| Osborne | Berniece | Student - 8th Grd. | 1930-1931 | Not Listed | Washington  |  | Allen | IN | 
| Oser | August. | Teacher - Grdes 1-8 | 1912-1913 | Harper | Aboite  | 3 | Allen | IN | 
| Oser | August. | Teacher - Grdes 1-8 | 1913-1914 | Klaehn | Aboite  | 1 | Allen | IN | 
| Oser | August. | Teacher - Grdes 1-8 | 1919-1920 | Harper | Aboite  | 3 | Allen | IN | 
| Oser | August. | Teacher - Grdes 1-8 | 1920-1921 | Harper | Aboite  | 3 | Allen | IN | 
| Oser | August. | Teacher - Grdes 1-8 | 1921-1922 | Bullard | Aboite  | 6 | Allen | IN | 
| Oser | August. | Teacher - Grdes 1-8 | 1922-1923 | Stouder | Aboite  | 2 | Allen | IN | 
| Oser | August.  | Teacher - Grdes 1-8 | 1924-1925 | Harper | Aboite  | 3 | Allen | IN | 
| Oser | August. | Teacher - Grdes 1-8 | 1925-1926 | Bullard | Aboite  | 6 | Allen | IN | 
| Oser | August. | Teacher - Grdes 1-8 | 1926-1927 | Bullard | Aboite  | 6 | Allen | IN | 
| Oser | August. | Teacher - Grdes 1-8 | 1927-1928 | Bullard | Aboite  | 6 | Allen | IN | 
| Oser | August. | Teacher - Grdes 1-8 | 1928-1929 | Bullard | Aboite  | 6 | Allen | IN | 
| Oser | August. | Teacher - Grdes 1-8 | 1929-1930 | Stouder | Aboite  | 2 | Allen | IN | 
| Oser | August. | Teacher - Grdes 1-8 | 1930-1931 | Stouder | Aboite  | 2 | Allen | IN | 
| Oser | August. | Teacher - Grdes 1-8 | 1931-1932 | Stouder | Aboite  | 2 | Allen | IN | 
| Oser | August. | Teacher - Grdes 1-8 | 1932-1933 | Stouder | Aboite  | 2 | Allen | IN | 
| Oser | August. | Teacher - Grdes 1-8 | 1933-1934 | Stouder | Aboite  | 2 | Allen | IN | 
| Oser | August.  | Teacher - Grdes 1-8 | 1934-1935 | Stouder | Aboite  | 2 | Allen | IN | 
| Oser | August. | Teacher - Grdes 1-8 | 1935-1936 | Stouder | Aboite  | 2 | Allen | IN | 
| Oser | August. | Teacher - Grdes 1-8 | 1936-1937 | Stouder | Aboite  | 2 | Allen | IN | 
| Oser | August. | Teacher - Grdes 1-8 | 1937-1938 | Stouder | Aboite  | 2 | Allen | IN | 
| Oser | August. | Teacher - Grdes 1-8 | 1937-1938 | Stouder | Aboite  | 2 | Allen | IN | 
| Oser | August. | Teacher - Grdes 1-8 | 1938-1939 | Stouder | Aboite  | 2 | Allen | IN | 
| Oser | August. | Teacher - Grdes 1-8 | 1939-1940 | Stouder | Aboite  | 2 | Allen | IN | 
| Oser | August. | Teacher - Grdes 1-8 | 1940-1941 | Stouder | Aboite  | 2 | Allen | IN | 
| Oser | August. | Teacher - Grdes 1-8 | 1941-1942 | Stouder | Aboite  | 2 | Allen | IN | 
| Oser | August. | Teacher - Grdes 1-8 | 1942-1943 | Stouder | Aboite  | 2 | Allen | IN | 
| Oser | August. | Teacher - Grdes 1-8 | 1943-1944 | Stouder | Aboite  | 2 | Allen | IN | 
| Oser | Carrie  | Student - 8th Grd. | 1908-1909 | Not Listed | Aboite  |  | Allen | IN | 
| Oser | Carrie | Student - 8th Grd. Graduate | 1909 |  | Aboite |  | Allen | IN | 
| Oser | Edna Marie | Student - 8th Grd. Graduate | 1921 |  | Aboite |  | Allen | IN | 
| Oser | Esther | Student - Not Listed | 1937-1938 | Harper | Aboite  | 3 | Allen | IN | 
| Oser | John | Teacher - Grdes 1-8 | 1910-1911 | Wake | Pleasant  | 4 | Allen | IN | 
| Oser | John | Teacher - Grdes 1-8 | 1912-1913 | Yoder | Pleasant  | 8 | Allen | IN | 
| Oser | John | Teacher - Grdes 1-8 | 1913-1914 | Not Listed | Pleasant  | 2 | Allen | IN | 
| Oser | John | Teacher - Grdes 1-8 | 1914-1915 | Not Listed | Pleasant  | 2 | Allen | IN | 
| Oser | John | Teacher - Grdes 1-8 | 1917-1918 | Bullard | Aboite  | 6 | Allen | IN | 
| Oser | John E. | Teacher - Grdes 1-8 | 1915-1916 | Center | Pleasant  | 5 | Allen | IN | 
| Oser | Junior | Student - Not Listed | 1933-1934 | Harper | Aboite  | 3 | Allen | IN | 
| Oser | Lewis | Student - Not Listed | 1914-1915 | Harper | Aboite  | 3 | Allen | IN | 
| Oser | Paul M. | Student - 8th Grd. | 1916-1917 | Harper | Aboite  | 3 | Allen | IN | 
| Oser | Paul M. | Student - 8th Grd. Graduate | 1917 |  | Aboite |  | Allen | IN | 
| Oser | Ruth M. | Student - Not Listed | 1914-1915 | Harper | Aboite  | 3 | Allen | IN | 
| Oser | Ruth M. | Teacher - Grdes 1-8 | 1925-1926 | Harper | Aboite  | 3 | Allen | IN | 
| Oser | Ruth M. | Teacher - Grdes 1-8 | 1926-1927 | Harper | Aboite  | 3 | Allen | IN | 
| Oser | Ruth M. | Teacher - Grdes 1-8 | 1927-1928 | Harper | Aboite  | 3 | Allen | IN | 
| Oser | Ruth M. L. | Student - 8th Grd. | 1919-1920 | Not Listed | Aboite  |  | Allen | IN | 
| Oser | Ruth M. L. | Student - 8th Grd. Graduate | 1920 |  | Aboite |  | Allen | IN | 
| O'Shaughnessey | John  | Student - 1st or 2nd | 1910-1911 | Monroeville  | Monroe | 9 | Allen | IN | 
| Osier | Esadore | Student - 4th Grd. | 1901-1902 | Center | Lake  | 4 | Allen | IN | 
| Osier | Esadore | Student - 6th Grd. | 1902-1903 | Center | Lake  | 4 | Allen | IN | 
| Ostemeis | Carl A. | Student - 8th Grd. Graduate | 1917 |  | Springfield |  | Allen | IN | 
| Ostemeis | Carle A. | Student - 8th Grd. | 1916-1917 | Not Listed | Springfield |  | Allen | IN | 
| Osterhaus | Velma | Student - 8th Grd. | 1930-1931 | Not Listed | Marion  |  | Allen | IN | 
| Ostermeier | Gertrude Mae | Student - 8th Grd. Graduate | 1923 |  | Wayne |  | Allen | IN | 
| Oswald | Edwin | Student - Age 7 | 1904-1905 | Butler | Washington  | 8 | Allen | IN | 
| Oswald | Edwin | Student - Age 7 | 1905-1906 | Butler | Washington  | 8 | Allen | IN | 
| Oswald | Edwin | Student - Age 9 | 1906-1907 | Butler | Washington  | 8 | Allen | IN | 
| Oswald | Edwin | Student - Age 13 | 1910-1911 | Butler | Washington  | 8 | Allen | IN | 
| Oswald | Edwin | Student - Age 14 | 1911-1912 | Butler | Washington  | 8 | Allen | IN | 
| Oswald | Edwin O. | Student - 8th Grd. | 1912-1913 | Not Listed | Washington  |  | Allen | IN | 
| Oswald | Edwin O. | Student - 8th Grd. Graduate | 1913 |  | Washington |  | Allen | IN | 
| Oswald | Grace | Student - Age 9 | 1902-1903 | Scarlet | Washington  | 5 | Allen | IN | 
| Oswald | Grace | Student - Not Listed | 1904-1905 | Butler | Washington  | 8 | Allen | IN | 
| Oswald | Grace | Student - Age 11 | 1904-1905 | Butler | Washington  | 8 | Allen | IN | 
| Oswald | Grace | Student - Age 12 | 1905-1906 | Butler | Washington  | 8 | Allen | IN | 
| Oswald | Grace | Student - 8th Grd. Graduate | 1907 |  | Washington |  | Allen | IN | 
| Oswald | James | Student - Age 4 | 1905-1906 | Butler | Washington  | 8 | Allen | IN | 
| Oswald | James | Student - Age 5 | 1906-1907 | Butler | Washington  | 8 | Allen | IN | 
| Oswald | James | Student - Age 9 | 1910-1911 | Butler | Washington  | 8 | Allen | IN | 
| Oswald | James | Student - 6th Grd. | 1911-1912 | Butler | Washington  | 8 | Allen | IN | 
| Oswald | James M. | Student - 8th Grd. | 1914-1915 | Not Listed | Washington  |  | Allen | IN | 
| Oswald | James M. | Student - 8th Grd. Graduate | 1915 |  | Washington |  | Allen | IN | 
| Oswald | William | Student - Not Listed | 1904-1905 | Butler | Washington  | 8 | Allen | IN | 
| Oswald | William M. | Student - 8th Grd. | 1908-1909 | Not Listed | Washington  |  | Allen | IN | 
| Oswald | William M. | Student - 8th Grd. Graduate | 1909 |  | Washington |  | Allen | IN | 
| Oswald | Willie | Student - Age 8 | 1902-1903 | Scarlet | Washington  | 5 | Allen | IN | 
| Oswald | Willie | Student - Age 10 | 1904-1905 | Butler | Washington  | 8 | Allen | IN | 
| Oswald | Willie | Student - Age 11 | 1905-1906 | Butler | Washington  | 8 | Allen | IN | 
| Oswald | Willie | Student - Age 12 | 1906-1907 | Butler | Washington  | 8 | Allen | IN | 
| Oswalt | John | Student - Age 18 | 1881-1882 | Butler | Washington  | 8 | Allen | IN |