| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| Olcot Smith | Ploughboy | Ship | 1843 | 21 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Ploughboy | Ship | 21 | 5' 10" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Lyman | | | | |
|
| Olchiella Labat | Lydia | Bark | 1878 | 20 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Lydia | Bark | 20 | 5' 7" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Antwerp | | | | |
|
| Olbridge G. Patch | Morea | Ship | 1850 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Morea | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Olavis Johnoel | Niger | Ship | 1874 | 24 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Niger | Ship | 24 | 5' 5" | Black | | | Hair | Eye | Residence | Rank | Remarks | | Black | | Martinevo | | | | |
|
| Olarvin Jawn | Louisa | Bark | 1881 | 30 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Louisa | Bark | 30 | 5' 8" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | B | | Chile | | | | |
|
| Olam Stokely | Charles Frederick | Ship | 1842 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Charles Frederick | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Steward | | | |
|
| Ola Grimy | Martha | Ship | 1841 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Martha | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | ON AT SOCIETY ISLAND TALCAHUANO 04/13/1845 | | |
|
| Ojias Y. Taylor | Java II | Ship | 1849 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Java II | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Ohn Thomas | Java II | Ship | 1854 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Java II | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Ordinary | | | |
|
| Ohn A. Goodwin | Platina | Bark | 1867 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Platina | Bark | 22 | 5' 8" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Portland | | | | |
|
| Oeter Potter | William C. Nye | Ship | 1843 | 42 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | William C. Nye | Ship | 42 | 5' 8" | Negro | | | Hair | Eye | Residence | Rank | Remarks | | | | New London | | | | |
|
| Octavus W. Lewis | General Pike | Ship | 1856 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | General Pike | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Boatsteerer | | | |
|
| Octavus Landers | Corinthian | Ship | 1858 | 24 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Corinthian | Ship | 24 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Saratoga | | | | |
|
| Octavo Andrew | Cohannet | Ship | 1868 | 19 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Cohannet | Ship | 19 | 5' 6" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Wareham | | | | |
|
| Octavius Weeks | Maria Theresa | Bark | 1831 | 17 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Maria Theresa | Bark | 17 | 5' 7 1/2" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Tisbury | | | | |
|