| John Duff |
| Born | Dec 4 1857 |
| Death | ca 1920 |
| Father | John Duff |
| Mother | Betsy Hodge |
| Spouse 1 | Margaret McIvor married May 29 1874 |
| Spouse 2 | |
| Spouse 3 | |
| Child 1 | Nellie |
| Child 2 | |
| Child 3 | |
| Child 4 | |
| Child 5 | |
| Child 6 | |
| Sibling 1 | |
| Sibling 2 | |
| Sibling 3 | |
| Sibling 4 | |
| Sibling 5 | |
| Sibling 6 | |
| NOTES : | |