| Person Source | | Bessie Marie Walker had person sources.1 |
| Birth | 26 October 1889 | She was born on 26 October 1889 in Bonanza, Klamath, Oregon, United StatesBG. |
| Residence | 1900 | She lived Age: 10; Marital Status: Single; Relation to Head of House: Daughter in Dairy, Langell Valley, Lost River, Poe Valley, and Sprague River Precincts, Klamath, OregonBG, in 1900. |
| Marriage | 30 January 1908 | Oscar Sloan Campbell and she were married on 30 January 1908 in Klamath, Oregon, USABG.1 |
| Residence | 1910 | She lived Age in 1910: 20; Marital Status: Married; Relation to Head of House: Wife in Langell Valley, Klamath, OregonBG, in 1910. |
| Residence | 1920 | She lived Age: 29; Marital Status: Married; Relation to Head of House: Wife in Langell Valley, Klamath, OregonBG, in 1920. |
| Residence | 1930 | She lived Age: 39; Marital Status: Married; Relation to Head of House: Wife in Langell Valley, Klamath, OregonBG, in 1930. |
| Residence | 1935 | She lived in Langell Valley, Klamath, OregonBG, in 1935. |
| Residence | 1 April 1940 | She lived Age: 49; Marital Status: Married; Relation to Head of House: Wife in Langell Valley, Klamath, Oregon, United StatesBG, on 1 April 1940. |
| Death | 22 July 1969 | She died Age at Death: 79 on 22 July 1969 at age 79 in Langell Valley, Klamath, Oregon, USABG. |
| Burial | | She was buried in Bonanza, Klamath County, Oregon, USABG. |