| Last Name | First Name | Cemetery | Location |
| O'Brian | Arthur G. | Goodwill Cemetery | Perry Township |
| O'Brian | Flora B. | Goodwill Cemetery | Perry Township |
| O'Brian | Georgiana | Goodwill Cemetery | Perry Township |
| O'Brian | John R. | Goodwill Cemetery | Perry Township |
| O'BRIAN | ISABEL | St. Joseph's Cemetery | Naval Surface Warfare Center Crane |
| O'Brien | Clarence | Brooks Cemetery | Perry Township |
| O'Brien | Helen Sophia | Brooks Cemetery | Perry Township |
| O'Brien | Helen Sophia | Brooks Cemetery | Perry Township |
| O'Brien | Leigh | Brooks Cemetery | Perry Township |
| O'Brien | Elizabeth | Fraim Cemetery | Perry Township |
| O'Brien | F. L. | Fraim Cemetery | Perry Township |
| O'Brien | Robert | Fraim Cemetery | Perry Township |
| O'Brien | Elizabeth | Gootee Cemetery | Perry Township |
| O'Brien | F. L. | Gootee Cemetery | Perry Township |
| O'Brien | Robert | Gootee Cemetery | Perry Township |
| O'Brien | Barbara Jane | St. John's Cemetery | Perry Township |
| O'Brien | Elizabeth | St. John's Cemetery | Perry Township |
| O'Brien | Elizabeth | St. John's Cemetery | Perry Township |
| O'Brien | Elizabeth Beatrice | St. John's Cemetery | Perry Township |
| O'Brien | Emil | St. John's Cemetery | Perry Township |
| O'Brien | Emily | St. John's Cemetery | Perry Township |
| O'Brien | Emma C. | St. John's Cemetery | Perry Township |
| O'Brien | Emma G. | St. John's Cemetery | Perry Township |
| O'Brien | Felix | St. John's Cemetery | Perry Township |
| O'Brien | Francis | St. John's Cemetery | Perry Township |
| O'Brien | George A. | St. John's Cemetery | Perry Township |
| O'Brien | George Earl | St. John's Cemetery | Perry Township |
| O'Brien | George F. | St. John's Cemetery | Perry Township |
| O'Brien | J. Christopher | St. John's Cemetery | Perry Township |
| O'Brien | J.C. | St. John's Cemetery | Perry Township |
| O'Brien | John | St. John's Cemetery | Perry Township |
| O'Brien | John Francis | St. John's Cemetery | Perry Township |
| O'Brien | John J. | St. John's Cemetery | Perry Township |
| O'Brien | Katie S. Brown | St. John's Cemetery | Perry Township |
| O'Brien | Lucinda | St. John's Cemetery | Perry Township |
| O'Brien | Martha E. | St. John's Cemetery | Perry Township |
| O'Brien | Mary Dooley | St. John's Cemetery | Perry Township |
| O'Brien | Mary Ellen | St. John's Cemetery | Perry Township |
| O'Brien | Mary I. | St. John's Cemetery | Perry Township |
| O'Brien | Mary Quigley | St. John's Cemetery | Perry Township |
| O'Brien | Myron F. | St. John's Cemetery | Perry Township |
| O'Brien | Netta | St. John's Cemetery | Perry Township |
| O'Brien | Robert | St. John's Cemetery | Perry Township |
| O'Brien | Robert Dooley | St. John's Cemetery | Perry Township |
| O'Brien | Walter | St. John's Cemetery | Perry Township |
| O'Brien | William | St. John's Cemetery | Perry Township |
| O'Brien | William M. | St. John's Cemetery | Perry Township |
| O'Brien | Amanda | St. Joseph's Catholic Church Cemetery | Perry Township |
| O'Brien | Cecil | St. Joseph's Catholic Church Cemetery | Perry Township |
| O'Brien | Dorothy | St. Joseph's Catholic Church Cemetery | Perry Township |
| O'Brien | Florence J. | St. Joseph's Catholic Church Cemetery | Perry Township |
| O'Brien | J. Lloyd | St. Joseph's Catholic Church Cemetery | Perry Township |
| O'Brien | Joseph W. | St. Joseph's Catholic Church Cemetery | Perry Township |
| O'Brien | Minerva | St. Joseph's Catholic Church Cemetery | Perry Township |
| O'Brien | Turpin | St. Joseph's Catholic Church Cemetery | Perry Township |
| O'Brien | Uriah | St. Joseph's Catholic Church Cemetery | Perry Township |
| O'Brien | William F. | St. Joseph's Catholic Church Cemetery | Perry Township |
| O'Brien | William Louis | St. Joseph's Catholic Church Cemetery | Perry Township |
| O'Bryan | Ellen | St. John's Cemetery | Perry Township |
| O'Bryant | Alfred | St. John's Cemetery | Perry Township |
| O'Bryant | Cecelia | St. John's Cemetery | Perry Township |
| O'Connell | Denis | St. John's Cemetery | Perry Township |
| O'Connor | Judith Clarke | St. John's Cemetery | Perry Township |
| O'Connor | Margaret | St. John's Cemetery | Perry Township |
| O'Connor | Patrick | St. John's Cemetery | Perry Township |
| O'Connor | Stephen T. | St. John's Cemetery | Perry Township |
| Oliphant | Edna McCartor | Old Salem Cemetery | Naval Surface Warfare Center Crane |
| OLIVER | CECIL H. | Ward's Chapel Cemetery | Naval Surface Warfare Center Crane |
| OLIVER | THOMAS W. | Ward's Chapel Cemetery | Naval Surface Warfare Center Crane |
| Olmstead | Burton L | Spring Hill Cemetery | Halbert Township |
| Olmstead | Genevieve Atkison | Spring Hill Cemetery | Halbert Township |
| O'Maley | Catherine A. | St. John's Cemetery | Perry Township |
| O'Maley | Charles E. | St. John's Cemetery | Perry Township |
| O'Maley | Donald | St. John's Cemetery | Perry Township |
| O'Maley | M. Leona | St. John's Cemetery | Perry Township |
| O'Maley | Maude A. | St. John's Cemetery | Perry Township |
| O'Maley | Paul | St. John's Cemetery | Perry Township |
| O'Maley | Regina J. | St. John's Cemetery | Perry Township |
| O'Maley | Terrance | St. John's Cemetery | Perry Township |
| O'Maley | William | St. John's Cemetery | Perry Township |
| O'Maley | Charles | St. Joseph's Catholic Church Cemetery | Perry Township |
| O'Maley | Charles H. | St. Joseph's Catholic Church Cemetery | Perry Township |
| O'Maley | Infant | St. Joseph's Catholic Church Cemetery | Perry Township |
| O'Maley | James | St. Joseph's Catholic Church Cemetery | Perry Township |
| O'Maley | Maude Burris | St. Joseph's Catholic Church Cemetery | Perry Township |
| O'Maley | Maude Burris | St. Joseph's Catholic Church Cemetery | Perry Township |
| O'Maley | Ruth Ann | St. Joseph's Catholic Church Cemetery | Perry Township |
| O'Maley | Sarah E | St. Joseph's Catholic Church Cemetery | Perry Township |
| O'Maley | Susannah | St. Joseph's Catholic Church Cemetery | Perry Township |
| O'Malia | Hugh | St. Joseph's Catholic Church Cemetery | Perry Township |
| O'Malia | Mary | St. Joseph's Catholic Church Cemetery | Perry Township |
| O'Neal | Annie | St. John's Cemetery | Perry Township |
| O'Neal | John | St. John's Cemetery | Perry Township |
| O'Neal | Margaret | St. John's Cemetery | Perry Township |
| O'Neal | Michael L. | St. John's Cemetery | Perry Township |
| O'Neal | Rose I. | St. John's Cemetery | Perry Township |
| O'Neal | Thomas B. | St. John's Cemetery | Perry Township |
| O'Neil | John | St. John's Cemetery | Perry Township |
| Opel | Christine E. | Goodwill Cemetery | Perry Township |
| Opel | Oliver G. | Goodwill Cemetery | Perry Township |
| Orman | Bertie L | Spring Hill Cemetery | Halbert Township |
| Orman | George Albert | Spring Hill Cemetery | Halbert Township |
| Orman | Irene | Spring Hill Cemetery | Halbert Township |
| O'Rourke | Corp'l O.M. | Goodwill Cemetery | Perry Township |
| Osborn | Elizabeth | Burns City Cemetery | Perry Township |
| Osborn | Hayden | Burns City Cemetery | Perry Township |
| Osborn | James | Burns City Cemetery | Perry Township |
| Osborn | James | Burns City Cemetery | Perry Township |
| Osborn | Laura | Burns City Cemetery | Perry Township |
| Osborn | Lizzie | Burns City Cemetery | Perry Township |
| Osborn | Melvina | Burns City Cemetery | Perry Township |
| Osborn | Russel | Burns City Cemetery | Perry Township |
| OSBORN | J. T. | Holt Cemetery | Naval Surface Warfare Center Crane |
| Osborn | Elizabeth | Old Salem Cemetery | Naval Surface Warfare Center Crane |
| Osborn | Jacob F. | Old Salem Cemetery | Naval Surface Warfare Center Crane |
| Osborn | Jacob I. | Old Salem Cemetery | Naval Surface Warfare Center Crane |
| Osborn | Rebecca E. | Old Salem Cemetery | Naval Surface Warfare Center Crane |
| Osborn | Sylvester | Reilly / Houghton Cemetery | Perry Township |
| Osborn | Francis Emile | St. John's Cemetery | Perry Township |
| Osborn | Helen Leveda | St. John's Cemetery | Perry Township |
| Osborn | J.F. | St. John's Cemetery | Perry Township |
| Osborn | Josephine | St. John's Cemetery | Perry Township |
| Osborn | Aden | Burns City Cemetery | Perry Township |
| Osborn | Albert | Burns City Cemetery | Perry Township |
| Osborn | Amos | Burns City Cemetery | Perry Township |
| Osborn | Anna | Burns City Cemetery | Perry Township |
| Osborn | Elizabeth | Burns City Cemetery | Perry Township |
| Osborn | Ernest | Burns City Cemetery | Perry Township |
| Osborn | John | Burns City Cemetery | Perry Township |
| Osborn | John | Burns City Cemetery | Perry Township |
| Osborn | Mary | Burns City Cemetery | Perry Township |
| Osborn | Ruby | Burns City Cemetery | Perry Township |
| Osborne | Hayden | Spring Hill Cemetery | Halbert Township |
| Osborne | Ruby | Spring Hill Cemetery | Halbert Township |
| Osborne | Carolyn Sue | St. John's Cemetery | Perry Township |
| Osborne | J.T. | St. John's Cemetery | Perry Township |
| Osborne | James Ernest | St. John's Cemetery | Perry Township |
| Osborne | James L. | St. John's Cemetery | Perry Township |
| Osborne | Lurra M. | St. John's Cemetery | Perry Township |
| Osmon | Charles | Burns City Cemetery | Perry Township |
| Osmon | Ruth | Burns City Cemetery | Perry Township |
| Osmon/Crane | Ollie | Burns City Cemetery | Perry Township |
| Ostrander | Joseph | Clark Cemetery | Mitchelltree Township |
| Otto | Corp. James | St. John's Cemetery | Perry Township |
| Overton | Don J Garnett | Spring Hill Cemetery | Halbert Township |
| Overton | Flora D | Spring Hill Cemetery | Halbert Township |
| Overton | Zane W | Spring Hill Cemetery | Halbert Township |
| Owen | James E | Spring Hill Cemetery | Halbert Township |
| Owen | Pearl S | Spring Hill Cemetery | Halbert Township |
| OWENS | ROBERT | Dog Trot Cemetery | Naval Surface Warfare Center Crane |
| OWENS | SARAH | Dog Trot Cemetery | Naval Surface Warfare Center Crane |
