| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| Octavius W. Lewis | General Pike | Ship | 1856 | 21 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | General Pike | Ship | 21 | | Fair | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Edgartown | | | | |
|
| Octavius M. Bell | Frances Henrietta | Ship | 1843 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Frances Henrietta | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | 3rd Mate | DID NOT RETURN FROM VOYAGE | | |
|
| Octavius C Mayhew | Falcon | Bark | 1862 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Falcon | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | Chilmark | | | | |
|
| Octavius (Cottle) | Hector | Ship | 1826 | 18 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Hector | Ship | 18 | 5' 9 1/2" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Edgartown | | | | |
|
| Octave Girard | Jireh Perry | Ship | 1856 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Jireh Perry | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | | | |
|
| Octave Girand | Jireh Perry | Ship | 1856 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Jireh Perry | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Ocormell Twitchell | Trident | Ship | 1850 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Trident | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Ocean F. Jeffrey | Caledonia | Ship | 1837 | 33 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Caledonia | Ship | 33 | 5' 7" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Groton | | | | |
|
| Obion Yissen | Brookline | Ship | 1845 | 23 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Brookline | Ship | 23 | 5' 8" | Light | | | Hair | Eye | Residence | Rank | Remarks | | dark | | New London | | | | |
|
| Obidiah Davenport | Charles Carroll | Ship | 1844 | 20 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Charles Carroll | Ship | 20 | 5' 8" | Black | | | Hair | Eye | Residence | Rank | Remarks | | Black | | New York | | | | |
|
| Obid P Orpin | Nautilus | Bark | 1877 | 41 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Nautilus | Bark | 41 | 5' 8 1/2" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Nantucket | | | | |
|
| Obeu Bolles | Chili | Schooner | 1834 | 23 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Chili | Schooner | 23 | 5' 10" | light | | | Hair | Eye | Residence | Rank | Remarks | | brown | | Rochester | | returned | | |
|
| Oberhand Brown | Triton | Bark | 1872 | 25 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Triton | Bark | 25 | 5' 7" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | New York | | | | |
|
| Obeof Alley | Charles Frederick | Ship | 1842 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Charles Frederick | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | ON AT MAUI SANDWICH ISLAND 11/29/1845 | | |
|
| Oben Peirce | Desdemona | Ship | 1843 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Desdemona | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Ordinary | | | |
|
