| O'BRIEN | ||
| Andy | born Abt 1853, New York, USA | |
| OGLE | ||
| Minerva | born Abt 1817 | died Nov 1839, Sandusky County, Ohio, USA |
| ORCUTT | ||
| Darrell | ||
| Emma S. | ||
| ORVIS | ||
| Elizabeth A. | born 1880 | died 1911, <Avondale, Osceola County, Michigan, USA, Cherry Valley Cemetery> |
| James W. | born 1876 | died 1926, <Avondale, Osceola County, Michigan, USA, Cherry Valley Cemetery> |
| ORY | ||
| Achille | born Abt 1885, Ohio, USA | |
| Julius | born Abt 1844, France | |
| OVERLY | ||
| Mort | born Abt 1882, Michigan, USA |