| Birth | Abt 1874 | Ohio | | | |
| Residence | 8 Jun 1880 | with his parents & attended school - Sandusky, Erie County, Ohio | | | |
| Miscellaneous | 4 Nov 1894 | visited his parents - Margaretta, Erie County, Ohio | | | |
| Residence | 7 Nov 1894 | Cleveland, Cuyahoga County, Ohio | | | |
| Marriage | 31 Jan 1895 | Delaware County, Ohio - Living | | | |
| Miscellaneous | Abt 3 Jul 1895 | visited with his adopted parents with his wife - Margaretta, Erie County, Ohio | | | |
| Residence | 10 Jul 1895 | Upper Sandusky, Wyandot, Ohio, United States | | | |
| Miscellaneous | 31 Jul 1896 | named in his adopted father's will - Castalia, Erie County, Ohio | | | |
| Residence | 11 Mar 1909 | Skamokawa, Wahkiakum, Washington, United States | | | |
| Residence | 3 May 1910 | was a physician with a general practice & a widower - Skamokawa, Wahkiakum, Washington, United States | | | |
| Alt name | | William COWELL | | | |