| O., W. D. (W. D. O.) | no dates | ||
| O'Kelley, ?cie I. B. | age 4y 11m ?d | ||
| O'Kelley, Ethel Irene | -5036 | 21781 | d/o B. F. & M. A. O'Kelley |
| O'Kelley, Irene | 26639 | only date | |
| Oats, Emma | January 10, 1914 | ||
| Odor, F. P. | 1845 | -6444 | h/o Mollie Odor |
| Odor, Floyed | -11246 | 5649 | s/o F. P. & Mollie |
| Oglesby, Ed. F. | -12700 | 8799 | |
| Old, Boy | no dates | ||
| Olds, Leeanda | January 7, 1857 | June 27, 1936 | |
| Olds, Marie | 4467 | 34551 | |
| Olds, R. F. | August 5, 1919 | age 63, s/o Barry & Abbie Olds | |
| Olinger, Carl Nicholas | 19775 | 37378 | s/o Pete & Laura (Porter) Olinger |
| Olinger, Laura (Porter) | 3047 | 22999 | b. TN, d/o David & Lucy Ann (Crow) Porter |
| Olinger, Peter updated | -2617 | -2045 | age 65, d. in mine explosion |
| Oliver, H. updated | 1967 | only date, marker (poss. Harry C. Oliver?) | |
| Oliver, Harry C., Sr. | June 15, 1891 | January 8, 1968 | b. Scipio, OK, s/o L. C. Oliver |
| Oliver, Jonnie Ellen (Bullard) updated | July 21, 1899 | April 13, 1953 | b. Indian Territory |
| Oliver, Mollie updated | October 14, 1897 | June 27, 1972 | |
| Oliver, Robert L. updated | 5770 | 32467 | s/by Ruby Irene Oliver |
| Oliver, Ruby Irene updated | no dates, s/by Robert L. Oliver | ||
| Oliver, Sarah Elizabeth updated | 1492 | 31803 | b. TN, d/o Gordon? & Mary Jane (Thompson) d/w W. D. Oliver |
| Oliver, W. D. updated | 37902 | 37902 | d/w Sarah Elizabeth Oliver |
| Organ, Infant | October 9, 1922 | November 6, 1922 | c/o Jake & Eunice (Wright) Organ |
| Organ, Jake D. updated | 23462 | age 56y, b. Texas | |
| Orr, H. Pet updated | -8781 | 12326 | |
| Orr, John S. updated | -167 | 23340 | |
| Osborne, Callie Gay updated | 7852 | 7852 | d/o J. W. & Ida (Orr) Osborne |
| Osborne, Ida Lee (Orr) updated | -3230 | 21484 | d/o John Orr, w/o J. W. Osborne |
| Oss, Jacob Lee updated | 3365 | 32469 | marker |
| Ott, Elbert Arlie (Monk) Photo 2 updated | 12838 | 38284 | TEC 4 US ARMY WWII, d/w Otha Mae Ott |
| Ott, Otha Mae updated | August 8, 1930 | -8618 | d/w Elbert Arlie Ott |
| Otterson, Mary updated | January 10, 1889 | April 16, 1890 | d/o G. & L. Otterson |
| Owens, Charles | October 1, 1927 | age 1y 6m, s/o Ed & Pearl (Smith) Owens | |
| Owens, Delbert D. updated | January 30, 1931 | -5404 | U. S. ARMY KOREA, s/o John Henry & Sleetia Jewel (Tucker) Owens |
| Owens, Dock updated | -6872 | 19915 | |
| Owens, Mattie updated | -3222 | 23984 | s/o J. O. & Alice Owens |
| Owens, Richard Ernest | June 19, 1880 | February 26, 1948 | b. MO, s/o F. E. & Martha (Mounts) Owens |
| Owens, William | May 4, 1906 | age 46 (Chg. C. H. Roebuck) |
