| Birth | 20 Apr 1890 | Grand River, Decatur, Iowa | | | |
| Census-shared | 1895 | (General Milton Thomas William "Tom" Clawson) Decatur City, Decatur, Iowa | | | |
| Residence | 1900 | Harrison, Iowa | | | |
| Census (family)-shared | 19 Jun 1900 | (General Milton Thomas William "Tom" Clawson and Emma Orselia Warnstaff) St. John Township, Harrison, Iowa | | | |
| Probate-shared | 25 Jul 1909 | (Pvt Noah Warnstaff) County Court of Craig County, Oklahoma, Craig, Oklahoma | | | |
| Marriage | 1910 | Katherine Mabel "Katie" Rutherford | | | |
| Census | 30 Apr 1910 | 614 E 8th, Larned, Pawnee, Kansas | | | |
| Census | 23 Jan 1920 | Fairmount Township, Butler, Kansas | | | |
| Occupation | 23 Jan 1920 | Teamster - Fairmount Township, Butler, Kansas | | | |
| Census | 7 Apr 1930 | Precinct 6, Platteville, Weld, Colorado | | | |
| Census | 13 Apr 1940 | 721 Ash, Pacific, Cowlitz, Washington | | | |
| Alt name | 2 Apr 1942 | William Leslie Clawson | | | |
| Military | 25 Apr 1942 | WWII Mililtary Draft Registration - Kelso, Cowlitz, Washington | | | |
| Description | 25 Apr 1942 | white, 5'7", 170 lbs, blue eyes, brown & grey hair, light complexion - Local Board No. 1 Cowlitz County, Kelso, Cowlitz, Washington | | | |
| Residence | 25 Apr 1942 | 1425 Ross St, Kelso, Cowlitz, Washington | | | |
| Census | 20 Apr 1950 | 586 Ross Ave, Cowlitz, Washington | | | |
| Death | 13 Feb 1952 | cerebeal hemorage, 3 days - Cowlitz General Hospital, Longview, Cowlitz, Washington | | | |
| Burial | 16 Feb 1952 | Cowlitz View Memorial Gardens / Odd Fellows, Longview, Cowlitz, Washington | | | |