| NAME | BIRTH DATE | DEATH DATE | SECTION | ROW | LOT | |
| Ochse, Auguste nee Schaefer | 1823 | Sept. 7, 1905 | Sec 1 | Row C | #54 | |
| Ochse, Julius | June 10, 1822 | Sept. 27, 1872 | Sec 1 | Row C | #55 | |
| Odbert, John Clayton | Jan. 11, 1952 | March 5, 2010 | Sec 11 | Row H | #19 | |
| Odneal, Mary Martha | Oct. 18, 1934 | June 9, 2018 | Sec 11 | Row C | #14 | |
| O'Donnell, Effie May | Mar. 23, 1880 | July 6, 1909 | Sec 3 | Row E | #98 | |
| Oels, Emma nee Sack (Ms Edward A.) | Dec. 22, 1868 | Oct. 6, 1953 | Sec 7 | Row G | #18 | |
| Oppelt, Pauline nee Schleyer | Apr. 9, 1880 | May 11, 1980 | Sec 7 | Row H | #20 | |
| Oppert, Julius Vincent | Sept. 28, 1872 | Sept 14, 1913 | Sec 3 | Row D | #68 | |
| O'Quinn, Michael Bolen | Nov. 14, 1934 | Aug. 8, 2013 | Sec 3 | Row G | #135S | |
| Orgill, William | Aug. 4, 1847 | June 30, 1908 | Sec 3 | Row B | #38 | |
| Ortiz, Carlos | May 29, 1964 | May 23, 1992 | Sec 10 | Row O | #14 | |
| Ortiz, Cipriano | Sept. 26, 1927 | Oct. 20, 1997 | Sec 10 | Row O | #13 | |
| Ortiz, Oscar Cezar | 1962 | Aug. 6, 1994 | Sec 10 | Row P | #14 | |
| Overman, Anna nee Meyer (Ms Ed) | Nov. 14, 1869 | Nov. 18, 1949 | Sec 4 | Row D | #77 | |
| Overman, Edward | Oct. 1, 1872 | June 18, 1903 | Sec 4 | Row D | #78 |
Updates are from obituaries at Comfort Heritage Foundation Museum and local newspapers. Birth date sometimes calculated by using age at death.
Original list from Gone But Not Forgotten, a survey done in 1986 by BAHPS.