| Phelps County Burials |
| Name | | Comment | | Birth | | Death | | Cemetery |
| Oatley, William Johnson | | b. Knotwell, MO | | llm l8da | | 7/13/1884 | | Rolla Cemetery |
| Oatsvall, Mary Jane | | burial record | | | | 8/23/1954 | | Rolla Cemetery |
| Obenchain, Charles Patrick | | (NSP) s/o Roland Obenchain & Mary Biggs | | 7 Feb 1958 | | 14 Mar 1998 | | Unknown |
| Oberkrom Micheal Lee | | owner H.T. Oberkrom | | 18 Dec 1949 | | 11 Sep 1952 | | St. James/Old Masonic |
| Oberkrom, Herman T. | | | | 18 Jan 1906 | | | | St. James/Old Masonic |
| Oberkrom, Katie I. | | owner H.T. Oberkrom | | 24 Dec 1912 | | 22 May 1983 | | St. James/Old Masonic |
| Oberkrom, Mary | | w/o William F. | | 1876 | | 1949 | | St. James/Old Masonic |
| Oberkrom, William F. | | | | 1864 | | 1950 | | St. James/Old Masonic |
| Obermark, James Henry | | Edgar Springs, Mo | | 61 yrs | | 31 Jul 2005 | | Unknown |
| Oberlies, Cora Augusta | | | | 8 Jan 1897 | | 24 Oct 1956 | | Smith |
| Oberreither, Sarah | | nee Wagoner | | 9 Mar 1874 | | 18 Dec 1914 | | Mill Creek |
| O'Brien, Edward Bohen | | h/o Ola Villear Powell | | 30 Nov 1903 | | 20 Apr 1943 | | St. James/Old Masonic |
| O'Brien, Eva (Lucy) | | w/o Wm. M., nee Dryer | | 8/3/1868 | | 7/17/1945 | | Rolla Cemetery |
| O'Brien, Irene, 72; | | b NY, NY, ord. Virginia Walton | | 1/11/1893 | | bu 12/4/1965 | | Ozark Memorial Gardens |
| O'Brien, Jerry W. | | (NSP) s/o Wm. Norman & Marian (Moore) | | 30 Jan 1940 | | 13 Nov 1999 | | Milford, IL |
| O'Brien, John T. | | h/o Alice | | 8/6/1859 | | 7/24/1906 | | Rolla Cemetery |
| O'Brien, Little Johnnie | | s/o John & Alice | | 3m 14d | | 8/3/1873 | | Rolla Cemetery |
| O'Brien, Mama Dear (Ellen) | | b. Ireland, w/o Patrick | | | | 10/24/1913 | | Rolla Cemetery |
| O'Brien, Ola Villar | | nee Powell | | 9 Aug 1902 | | 7 Dec 1943 | | St. James/Old Masonic |
| O'Brien, P. (Patrick) | | b. Ireland | | 1840 | | 6/7/1896 | | Rolla Cemetery |
| O'Brien, Wm. M. | | h/o Eva | | 10/23/1862 | | 8/16/1946 | | Rolla Cemetery |
| O'Brist, David | | 2nd Mo L.A. | | | | | | Missouri Veterans Cem. |
| Ock, Inf | | child of J.R. & H. | | | | 25 Mar 1881 | | Oak Grove |
| O'Connell, Ardath | | lot owner Sec 5-8, 3 Jan 1955 | | | | | | Newburg Cemetery |
| O'Connell, Thomas M. | | | | 25 Nov 1886 | | 2 Jan 1955 | | Newburg Cemetery |
| O'Conner, C. W. (Charles) | | "Irish" | | 4/18/1912 | | 6/16/1964 | | Rolla Cemetery |
| O'Conner, Charles | | burial record | | | | 3/17/1979 | | Rolla Cemetery |
| O'Conner, Diana F. | | d/o Irish | | 12/15/1948 | | 8/21/1961 | | Rolla Cemetery |
| O'Conner, Grace Maxine | | nee Henson | | 12/14/1916 | | 8/9/1992 | | Rolla Cemetery |
| O'Conner, Reta Ruth | | | | 3/25/1963 | | 3/25/1963 | | Rolla Cemetery |
| O'Connor, Charles J., 74; | | | | 74 yrs | | bu 2/16/1983 | | Ozark Memorial Gardens |
| O'Connor, Eva Mae | | ord. Charles O'Conner | | 56 yrs | | bu 5/2/1972 | | Ozark Memorial Gardens |
| O'Connor, Patrick M. | | (NSP)s/o Chas. W. & Grace Maxine(Henson) | | 25 Aug 1954 | | 22 May 2002 | | Unknown |
| O'Connor, Phyllis; | | | | | | bu 9/30/1979 | | Ozark Memorial Gardens |
| Odell, Lillian | | w/Francis Douglas | | 6/25/1907 | | 2/5/1943 | | Rolla Cemetery |
| O'Dowd, Hannah, 86; | | | | 86 yrs | | bu 10/23/1968 | | Ozark Memorial Gardens |
| O'Dowd, John Walter, 71; | | b Osage Co., MO; | | 71 yrs | | bu 9/-/1952 | | Ozark Memorial Gardens |
| Oeffner, Inez F, 64; | | | | 64 yrs | | bu 1/31/1987 | | Ozark Memorial Gardens |
| Oeffner, Richard E., 57; | | | | 57 yrs | | bu 7/17/1977 | | Ozark Memorial Gardens |
| Oellien, Elizabeth | | w/o John | | 1854 | | 1941 | | St. James/Old Masonic |
| Oellien, Harry, 87; | | | | 87 yrs | | bu 12/9/1984 | | Ozark Memorial Gardens |
| Oellien, John | | | | 1848 | | 1936 | | St. James/Old Masonic |
| Oellien, Mary A., 75; | | b St. James, MO, Harry Oellien | | 8/30/1897 | | bu 1/9/1973 | | Ozark Memorial Gardens |
| Oertel, Gustus | | Co B Mex War | | | | | | Missouri Veterans Cem. |
| Oertel, Louise | | | | 21 Apr 1839 | | 27 Jan 1912 | | Missouri Veterans Cem. |
| Ogle, Barney C. (Raymond) | | (FHM)(NSP) | | 1909 | | 4/5/1981 | | Rolla Cemetery |
| Ogle, Belvena | | | | 31 Oct 1905 | | | | St. James/Old Masonic |
| Ogle, Ellis | | h/o Helen | | 1875 | | 1940 | | St. James/Old Masonic |
| Ogle, Helen T. (MANN) | | w/o Ellis, nee Noblett | | 1876 | | 19__ | | St. James/Old Masonic |
| Ogle, Marion & Pearl Ogle | | owners, Sec 5-68 | | | | | | Newburg Cemetery |
| Ogle, Marion Ellis | | (FHM) | | 1896 | | 1981 | | Newburg Cemetery |
| Ogle, Pearl L. (NSP) | | sis/o Mary Ousley | | 85 yrs | | 18 Nov 1989 | | Newburg Cemetery |
| Ogle, Saphronia | | | | | | 14 Feb 1900 | | Missouri Veterans Cem. |
| Ogle, Wm | | Co F 23rd Mo Inf | | | | 11 Oct 1920 | | Missouri Veterans Cem. |
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