| LOCATION | LAST NAME | FIRST MI | BORN | DIED | COMMENTS |
| Catholic Section | O'LEARY | Edward T. | 05 Mar 1904 | 15 Jun 1944 | |
| Block 5 | O'NEAL | James Dorrance | 15 Oct 1907 | 15 Nov 1907 | |
| Block 5 | O'NEAL | Walter, Jr. | 08 Jan 1916 | 08 Apr 1930 | |
| Block 5 | O'NEAL | Walter C. | 11 Aug 1882 | 14 Aug 1925 | |
| Catholic Section | O'NEILL | Bird Elizabeth | 1889 | 1921 | |
| Catholic Section | O'NEILL | Elizabeth | 10 Oct 1845 | 10 Apr 1919 | SS/W John O'Neill |
| Catholic Section | O'NEILL | John | 27 Aug 1845 | 14 Nov 1914 | SS/W Elizabeth O'Neill |
| Block 5 | ODELL | Lou Ellen | 04 Sep 1845 | 25 Nov 1902 | |
| Block 1 | ODOM | Baby | 1919 | 1919 | |
| Block 6 | ODOM | Permelia | 03 Mar 1826 | 18 Aug 1901 | "Wife of R. P." |
| Woodmen Circle Block 1 Row 1, Space 19 |
OGDEN | Arella | 1883 | 1918 | "Wife of Geo. Ogden" |
| OLDS | James David "J. D." | 26/Aug/1934 Perry OK |
09/Dec/2013 Duncan OK burial/13/Dec | Former H/O Harla June [Sparks] Olds, S/O Jack & Laura Olds, Crews Funeral Home ~ Apache OK & Grantham Funeral Home ~ Duncan OK See obit | |
| Block 12 | OLIPHINT | D. D. "Bill" | 18 Nov 1903 | 07 Oct 1931 |  |
| Block 1 | OLIVER | Martha J. | 1862 | 1936 | |
| Block 5 | ORGAIN | Vertie | 22 Jul 1888 | 08 Aug 1907 | "Wife of R. D." "Dau of Mr. & Mrs. G. W. Hall" |
| Woodmen Memorial Block 7 |
OSBORNE | William A. | 23 Feb 1867 | 11 Oct 1906 | |
| Woodmen Memorial Block 6 |
OVERBY | Jeff | 23 Jan 1891 | 15 Apr 1912 | |
| Block 5 | OVERTON | Joseph C. | 07 Dec 1874 | 15 Oct 1955 | SS/W & H/O Viola Overton |
| Block 5 | OVERTON | Olin O. | 25 Sep ---- | 16 Feb 1917 | "Son of J. C. & Viola" |
| Block 5 | OVERTON | Tony Joe | 26 May 1914 | 25 May 1989 | "Son of J. C. & Viola" |
| Block 5 | OVERTON | Viola | 10 Mar 1877 | 10 Dec 1948 | SS/W & W/O Joseph C. Overton |
| Block 4 | OWEN | Mary A. | May 1891 | Jan 1976 | SS/W Ransom P. Owen |
| Block 4 | OWEN | Ransom P. | Aug 1886 | Feb 1976 | SS/W Mary A. Owen |
| Block 8 | OWENS | Arthur | 28 May 1890 | 05 Mar 1910 | "Son of T. B. & S. A.", SS/W Willie Owens |
| Block 8 | OWENS | Willie | 28 May 1874 | 30 Aug 1908 | "Son of T. B. & S. A." SS/W Arthur Owens |