| Father | Male Henry William MCMILLAN I |
| Born | 1745 | Antrim, Antrim, Ireland |
| Died | 1810 | Barnwell, Barnwell, South Carolina, United States |
| Buried | ||
| Married | 1775 | Orangeburg, Orangeburg, South Carolina, United States |
| Father | Hugh MCMILLAN | F13 Group Sheet | |
| Mother | Mable CRAWFORD | F13 Group Sheet | |
| Mother | Female Martha ACHEY |
| Born | 1755 | , , , Scotland |
| Died | 1820 | Barnwell, Barnwell, South Carolina, United States |
| Buried | ||
| Father | Unknown | F45 Group Sheet | |
| Mother | Unknown | F45 Group Sheet | |
| Child 1 | Male Molton MCMILLAN |
| Born | 1774 | Barnwell, South Carolina, United States |
| Died | 7 Jun 1853 | Barnwell County, South Carolina, USA |
| Buried |
| Child 3 | Male James Henry MCMILLAN |
| Born | 1777 | Barnwell County, South Carolina, USA |
| Died | 7 June 1854 | Barnwell County, South Carolina, USA |
| Buried | Bamberg County, South Carolina, USA |
|
| Spouse | Martha "Patty" SANFORD | F9 | |
| Married | 24 Apr 1808 | Barnwell, SC |