| O'Brien, Timothy |
| O'Brien, Wendi Ann Flathers |
| O'Flaherty, Barry |
| O'Flaherty, Hal |
| O'Flaherty, Lavinia Martha Flathers |
| O'Flaherty, Leah Thomas |
| O'Flaherty, Leo |
| O'Flaherty, Peter M. |
| O'Flaherty, Sabine Siebel Smith |
| O'Flaherty, SheilaVI |
| O'Flaherty, SheilaVII |
| O'Flaherty, Terrence |
| O'Flaherty, Virginia Goodrich |
| Oettchen, Linda Diane Jensen |
| Oettchen, Rodger L. |
| Oliver, Dica Flathers |
| Oliver, Edwin Pete |
| Oliver, Elias |
| Oliver, Wilma Jean Baldwin |
| Olson, George |
| Olson, Kathryn Erma Flathers |
| Olson, Kathy Marie |
| Olson, Shirley Dee Flathers |
| Olson, Victor |
| Onsen, Mildred B. |
| Orr, Opal Marjorie |
| Otto, Margaret |