| Name | Cemetery | County | Updated |
| OTTO, Auguste | Oak Hill - Janesville Cemetery | Rock | 2023-08-13 10:19:11 |
| OTTO, John H. | Milton Lawns - Janesville Cemetery | Rock | 2023-02-16 11:10:04 |
| OTTO, Patricia A. | Milton Lawns - Janesville Cemetery | Rock | 2023-02-16 11:09:49 |
| OTTO, Theodore | Oak Hill - Janesville Cemetery | Rock | 2023-08-13 10:19:09 |