Oak Hill
| Name | Deed Number |
| O"Brien, Michael | 1637 |
| O"Conner, WT | 3183 |
| O"Connor, Charles M. | 3183 |
| O"Dell, Carrie | 363 |
| O"dell, John A. | 3193 |
| O"Donnell, Sarah | 3024 |
| O"Donnell, Simon | 3024 |
| O"neil, John | 3086 |
| O"Neil, Louie Louis | 3086 |
| O"neill, Cornelius J. | 3259 |
| Oakes, Beatrice Newell | 2037 |
| Oakes, Bredina R. | 2729 |
| Oakes, Georgia | Maus |
| Oakes, Infant | 1686 |
| Oakes, W.L. | Crypt 142 |
| Oakes, Willard | 1307 |
| Oakley, Bertha Adeline | 2725 |
| Oakley, Lewis | 2725 |
| Oaks, Ida | 2854 |
| O'Berg, Mary | 3259 |
| O'Brien, Huston Mira | 2554 |
| O'Brien, Michael | Vet 1637 |
| O'Connell, Mrs. | 204 |
| O'Conner, Anna | 1463 |
| O'Connor, Charles M. | 3183 |
| O'Connor, Ella Ma | 3183 |
| O'Connor, Martha | 2577 |
| O'Connor, William T. | 3183 |
| O'Dell, Carrie | 363 |
| O'Dell, Edward | 1509 |
| O'Dell, James | 2634 |
| O'Dell, John A. | 3193 |
| O'Dell, Roy | 1434 |
| O'Donnell, Sarah | 3024 |
| O'Donnell, Simon | 3024 |
| Ogden, Ada | 3197 |
| Ogden, Wilbur | 3197 |
| Ogden, Wilbur Jr. | 3197 |
| Ojala, Emil | 2561 |
| O'Laughlin, Andrew | 3203 |
| O'Laughlin, Andrew Barney | 3203 |
| O'Laughlin, Catherine | 3203 |
| O'Leary, Hattie | 1480 |
| O'Leary, Mr. | 1480 |
| Olin, Anna | 2731 |
| Olin, Anna Grace Anthony | 2731 |
| Olin, Charles | 202 |
| Olin, Edwin M. | 2731 |
| Olin, George | 202 |
| Olin, Marv | 202 |
| Olin, Mary J. | 202 |
| Olin, Sarah | 202 |
| Olin, Walter | 202 |
| Oling, Charles | 202 |
| Oliver, Burt | 1530 |
| Oliver, Eulsh MOVED | Maus |
| Oliver, Samantha | 1471 |
| Oliver, Willis J. MOVED | Crypt 189 |
| Olmsted, Laura Smith | 2580 |
| Olson, Charles | 3071 |
| Olson, Chester | 2644 |
| Olson, Ellen M. | 2644 |
| Olson, Harry | 2952 |
| Olson, Jacob | 3105 |
| Olson, John A. | 2242 |
| Olson, Jospehine | 2242 |
| Olson, Marie H. | 2644 |
| Olson, Olof | 2644 |
| Olson, Per. | 2952 |
| O'Neil, John | 3086 |
| O'Neil, Louie Louis | 3086 |
| O'Neill, Cornelius | 3259 |
| O'Neill, Victoria | 3259 |
| Orcutt, Harriet | 214 |
| O'Reilly, Virginia | 1741 |
| Ormsby, Art | 3149 |
| Ormsby, Ellen Terese | 2716 |
| Ormsby, Florence | 3149 |
| Ormsby, Robert J. | 2716 |
| Orsmby, John | 3149 |
| Ort, Henry S. | 2209 |
| Osborne, Charles W. | 2171 |
| Osborne, Cynthia | 2171 |
| Osborne, Joseph | 2171 |
| Osborne, William | 2171 |
| Ossenbeck, George | 1639 |
| Ossenbeck, George | 2629 |
| Ossenbeck, Muriel | 2639 |
| Ostrander, Edward | 2626 |
| Ottosen, A.G. | 2771 |
| Ottosen, Alfred J. | 2771 |
| Ottosen, Emma | 2771 |
| Ottoson, Carl | 2771 |
| Ottoson, Carl Victor | 2771 |
| Overbeck, Daniel | 3287 |
| Overheis, Sarah | 1518 |
| Owen, Winifred M. | 2588 |
| Owens, Minnie C. | 3220 |
| Oxley, George | 3034 |
| Oxley, Mary | 3034 |
| Oxley, Susan | 3034 |
| Oxley, Victor | 3034 |
| Oxley, William | 3034 |
Compiled by Barb Steinhauer of Wright Monumental Works