| Name | Cemetery | County | Updated |
| O'NEILL, Julia | Sacred Heart Catholic Cemetery | Yankton | 2015-08-15 05:40:47 |
| O'NEILL, Margret | Sacred Heart Catholic Cemetery | Yankton | 2015-08-15 05:40:48 |
| O'NEILL, Mary | Sacred Heart Catholic Cemetery | Yankton | 2015-08-15 05:40:48 |
| O'NEILL, Oscar E. | Sacred Heart Catholic Cemetery | Yankton | 2015-08-15 05:40:48 |
| O'NEILL, Plot | Sacred Heart Catholic Cemetery | Yankton | 2015-08-15 05:40:48 |
| O'NEILL, Plot | Sacred Heart Catholic Cemetery | Yankton | 2015-08-15 05:40:48 |
| O'NEILL, Robert | Sacred Heart Catholic Cemetery | Yankton | 2015-08-15 05:40:48 |
| O'NEILL, Thomas | Sacred Heart Catholic Cemetery | Yankton | 2015-08-15 05:40:48 |
| O'NEILL, Thomas Alphonse | Sacred Heart Catholic Cemetery | Yankton | 2015-08-15 05:40:48 |
| O'NEILL, Thomas M. | Sacred Heart Catholic Cemetery | Yankton | 2015-08-15 05:40:48 |
| O'NEILL, William | Sacred Heart Catholic Cemetery | Yankton | 2015-08-15 05:40:48 |