| Father | Walter G. Duncan (b. 1889, d. 1952) |
| Mother | Lula Belle McWhorter (b. 29 August 1894, d. 18 October 1987) |
| Son | D L ("dlduncan43") Duncan |
| Pedigree Chart | |
| Included in charts - lists | Descendants of Hardy Gilstrap Jr b. ca 1766 Descendants of Peter Gilstrap Jr b. ca 1735 |
| Relationship | 4th cousin 2 times removed of Carol Jay Gilstrap 4th cousin 4 times removed of Isaac Silas Vaughn 4th cousin 4 times removed of Katherine Gilstrap Scott 4th cousin 4 times removed of Joseph Ryland Scott 4th cousin 4 times removed of Charles Parker ("Parker") Scott 4th cousin 4 times removed of Orly Marie Vaughn 4th cousin 4 times removed of Avital Catherine Vaughn |
| Burial | Jack C. Duncan was buried in Cobb County, Georgia, USABG. | |
| Person Source | He had person sources.1 | |
| Birth | 6 July 1922 | He was born on 6 July 1922 in Georgia, United StatesBGO. |
| Residence | 1930 | He lived Marital Status: Single; Relation to Head of House: Son in Militia District 1032, Cherokee, Georgia, USABG, in 1930. |
| Residence | 1 April 1940 | He lived Marital Status: Single; Relation to Head of House: Son in Marietta, Cobb, Georgia, USABG, on 1 April 1940. |
| Death | 3 May 2000 | He died on 3 May 2000 at age 77. |
| Last Edited | 18 December 2019 |