| Burial | | Walter G. Duncan was buried in Cobb County, Georgia, USABG. |
| Person Source | | He had person sources.1 |
| Birth | 1889 | He was born in 1889 in South CarolinaBG. |
| Residence | 1920 | He lived Marital Status: Married; Relationship: Head in Ball Ground, Cherokee, Georgia, USABG, in 1920. |
| Residence | 1930 | He lived Marital Status: Married; Relation to Head of House: Head in Militia District 1032, Cherokee, Georgia, USABG, in 1930. |
| Residence | 1 April 1940 | He lived Marital Status: Married; Relation to Head of House: Head in Marietta, Cobb, Georgia, USABG, on 1 April 1940. |
| Death | 1952 | He died in 1952 at age ~63. |