| Birth | 14 Jan 1876 | Boone, Indiana | | | |
| Census (family)-shared | 20 Jun 1880 | (Rev Allison Marcellius Warnstaff and Sarah Margarete "Sallie" Teeter) Grand Pass Township, Saline, Missouri | | | |
| Alt name | 1885 | Ervil Warrenstaff | | | |
| Marriage | 1892 | Anna Marie Ross | | | |
| Illness | 1895 | became crippled in both lower limbs due to attack of fever - Fort Scott, Bourbon, Kansas | | | |
| Miscellaneous | 5 Feb 1895 | Went missing - Fort Scott, Bourbon, Kansas | | | |
| Census (family)-shared | 4 Jun 1900 | (Rev Allison Marcellius Warnstaff and Sarah Margarete "Sallie" Teeter) Buchanan Township, Atchison, Missouri | | | |
| Occupation | 1905 | Blacksmith - Washington, Washington, Iowa | | | |
| Census | Bef Oct 1905 | Card A427, Washington, Washington, Iowa | | | |
| Marriage | 8 Oct 1905 | Fremont Township, Johnson, Iowa - Ruby Anna Alice Gaskill | | | |
| Alt name | 8 Oct 1905 | Ervils H Warnstaff | | | |
| Census (family) | 30 Apr 1910 | 286 Jefferson, Hamburg Fremont, Iowa - Ruby Anna Alice Gaskill | | | |
| Religion | | Presbyterian | | | |
| Census | 1915 | Fremont, Mahaska, Iowa | | | |
| Occupation | 1915 | Mail Carrier - Fremont, Mahaska, Iowa | | | |
| Alt name | 12 Sep 1918 | Harley Ervie Wornstaff | | | |
| Military | 12 Sep 1918 | WWI Draft, Serial No. 913, Order A817 - Hamburg, Fremont, Iowa | | | |
| Occupation | 12 Sep 1918 | Blacksmith - Hamburg, Fremont, Iowa | | | |
| Description | 12 Sep 1918 | Hamburg, Fremont, Iowa | | | |
| Death | 28 May 1921 | Hamburg, Fremont, Iowa | | | |
| Burial | 30 May 1921 | Hamburg Cemetery, Hamburg, Fremont, Iowa | | | |
| Alt name | | Warnstaff | | | |
