| Birth | Apr 1878 | Ottawa, Franklin, Kansas | | | |
| Residence | 1880 | Chapman, Ottawa, Kansas | | | |
| Marriage | 12 Aug 1898 | 2PM, Fredonia, Louisa, Iowa, United States - Effie Leora Warnstaff | | | |
| Census (family) | 1910 | Oakland Township, Louisa, Iowa - Effie Leora Warnstaff | | | |
| Military | 1917 - 1918 | Louisa, Iowa | | | |
| Census (family) | 1920 | Concord, Louisa, Iowa - Effie Leora Warnstaff | | | |
| Census (family) | 1930 | Concord, Louisa, Iowa - Effie Leora Warnstaff | | | |
| Residence | 1935 | | | | |
| Residence | 1940 | Concord Township, Louisa, Iowa | | | |
| Burial | 1960 | Indian Creek Cemetery, Columbus Junction, Louisa, Iowa, United States | | | |
| Death | 9 Sep 1960 | Concord, Louisa, Iowa | | | |
| Alt name | | Oliver Alonzo Diller | | | |