| Oates, Doris Mae (Cook) | Obituary | Gravesite |
| O'Brien, Anna Marie (Kissel) | Obituary | Gravesite |
| O'Brien, George Mervin | Obituary | Gravesite |
| O'Brien, John | Obituaries | Gravesite |
| O'Brien, Lillie Margaret (Lockett) | Obituary | Gravesite |
| O'Brien, Mervin Dean | Obituary | Gravesite |
| O'Brien, Twin Boy I | Obituaries | Gravesite |
| O'Brien, Twin Boy II | Obituaries | Gravesite |
| O'Bryan, Beula Ann (Moore) | Obituary | Memorial Plaque |
| O'Bryan, Douglas Nelson | | Memorial Plaque |
| Ockinga, Bill Wayne | Obituary | Memorial Plaque |
| Ockinga, Ernest E. | Obituary | Gravesite |
| Ockinga, Margaret Marie (Bauer) | Obituary | Gravesite |
| O'Connell, Louise E. (Westwick) | Obituary | Gravesite |
| Ogden, Norma Ruth (Millholland) | Obituary | Gravesite |
| O'Hair, Rae Estella (Anderson) | Obituary | Gravesite |
| Olivas, Clorinda | | Gravesite |
| Oliver, Eileen Ruth (Clark) | Obituary | Memorial Stone; Marker |
| Oliver, Lillie Bell (Hamilton) | Obituary | Gravesite |
| Oliver, Owen Edgar | Obituary | Gravesite |
| Oliver, Samuel Edgar | Obituary | Gravesite |
| Oliver, William | Obituary | Gravesite |
| Olivito, James | Obituary | Gravesite |
| Olmstead, Dorothy M. | Obituary | Gravesite |
| Olmstead, John Henry | Obituary | Gravesite |
| Olmstead, John Justice | Obituary | Gravesite |
| Olmstead, Mable C. | Obituaries | Gravesite |
| Olmstead, Mary (Goertz) | Obituary | Gravesite |
| Olsen, Donald L. | Obituary | Gravesite |
| Olsen, Harry Anthony | Obituary | Military Stone |
| Olsen, Phyllis Henrietta (Doescher) | Obituary | Gravesite |
| Olson, Betty Jean (Updike) | Obituary | Gravesite |
| Olson, David H. | Obituary | Gravesite |
| Olson, Donald David | Obituary | Memorial Plaque |
| Olson, Eldora Almada (Locke) | Obituary | Gravesite |
| Olson, Harry M. | Obituary | Gravesite |
| Olson, Nora Louise (Kissel) | Obituary | Memorial Plaque |
| Olson, Viola Marjorie (Pratt) | Obituary | Gravesite |
| Omstead, Hattie Belle (Potter) | Obituary | Gravesite |
| Orr, Bryce G. | Obituary | Gravesite |
| Orr, Harold Milton | Obituary | Gravesite |
| Orr, Henry E. | Obituary | Gravesite |
| Orr, Louise (Wedemeyer) | Obituary | Gravesite |
| Orr, Sophia Ann (Mathias) | Obituary | Gravesite |
| Orszulak, Elsie M. (Blunck) | | Gravesite |
| Orszulak, Infant Boy | Obituary | Gravesite |
| Orszulak, Stephen John, Jr. | | Gravesite |
| Ortiz, Tomasita | Obituary | |
| Osberg, Alice Josephine (Lack) | Obituary | Gravesite |
| Osberg, Dale (Reed) | | Gravesite |
| Osberg, Deborah Ellen (Nickel) | Obituary | Gravesite |
| Osberg, Keith Elz | Obituary | Military Stone |
| Osberg, Kenneth Otto | Obituary | Gravesite |
| Osberg, Kenneth Wayne | Obituary | Gravesite; Military Stone |
| Osberg, Otto Swan | Obituary | Gravesite |
| Osborne, Augusta Bertha | Obituary | |
| Osborne, Charles W. | Obituary | |
| Osborne, William L. | Obituary | |
| Ott, Margett | Obituary | (No Stone) |
| Owens, Hubert Amous | Obituary | Gravesite |
| Owens, James S. | Obituary | Gravesite |
| Owens, John Earl | Obituary | |