Second Letter Index
| Oa | Ob | Oc | Od | Oe | Of | Og | Oh | Oi | Oj | Ok | Ol | Om
| On
| Oo
| Op
| Oq
| Or
| Os
| Ot
| Ou
| Ov
| Ow
| Ox
| Oy
| Oz
| |
| Name | Line | Page | District | Soundex
| O'Rourke, William M. | 56 | 6B | 6 | O662
| |
| Name | Line | Page | District | Soundex
| Oakben, William C. | 39 | 6A | 2 | O215
| Oakden, Charles T. | 57 | 5B | 3 | O235
| |
| Name | Line | Page | District | Soundex
| Oki, Nijas | 95 | 13B | 6 | O200
| Okohira, Takamori | 59 | 13B | 6 | O260
| |
| Name | Line | Page | District | Soundex
| Olcott, George H. | 37 | 8A | 2 | O423
| Ollred, Joseph P. | 34 | 8A | 2 | O463
| |
| Name | Line | Page | District | Soundex
| Omo, Yoyomo | 86 | 13B | 6 | O500
| |
| Name | Line | Page | District | Soundex
| Oorton, Salvenis | 93 | 8B | 2 | O635
| |
| Name | Line | Page | District | Soundex
| Orwin, Phill F. | 77 | 12B | 6 | O650
| |
| Name | Line | Page | District | Soundex
| Osborne, Josiah Jr. | 3 | 2A | 5 | O216
| |
| Name | Line | Page | District | Soundex
| Ownes, Zepha | 33 | 8A | 3 | O520
| |