| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| Obadiah C. Morgan | Herald II | Ship | 1843 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Herald II | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | DID NOT SHIP | | |
|
| Obadiah C. Morgan | Herald II | Ship | 1843 | 25 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Herald II | Ship | 25 | 5' 4 3/4" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Philadelphia | | | | |
|
| Obadiah B. Spencer | Harvest | Bark | 1853 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Harvest | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Master | | | |
|
| Obadiah B. Spencer | Triton | Ship | 1850 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Triton | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | 1st Mate | | | |
|
| Obadiah Arnold | China | Bark | 1830 | 18 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | China | Bark | 18 | 5' 2 3/4" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Scituate | | | | |
|
| Obadiah Spencer | Delight | Brig | 1840 | 18 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Delight | Brig | 18 | | | | | Hair | Eye | Residence | Rank | Remarks | | | | East Greenwich | | | | |
|
| Obadia D. Haxie | Chase | Bark | 1846 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Chase | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | 1st Mate | | | |
|
| Oatrick Sullivan | London Packet II | Bark | 1840 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | London Packet II | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Ordinary | ON AT HOBART TOWN VAN DIEMEN'S LAND 11/27/1841 | | |
|
| Oaks A. Jennings | Israel | Ship | 1841 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Israel | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | 3rd Mate | DID NOT RETURN FROM VOYAGE | | |
|
| Oaks A. Jennings | Georgia | Ship | 1843 | 23 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Georgia | Ship | 23 | 5' 6" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | New London | | | | |
|
| Oaks A. Jennings | California | Ship | 1846 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | California | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | 2nd Mate | | | |
|
| Oakes Tobey | Benjamin Cummings | Bark | 1875 | 43 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Benjamin Cummings | Bark | 43 | 5' 11" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Black | | Mashpee | | | | |
|
| Oakes Tobey | Eliza Adams | Ship | 1876 | 44 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Eliza Adams | Ship | 44 | 5' 11" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | B | | Barnstable | | | | |
|
| Oakes Tobey | Ellen Rodman | Schr | 1874 | 36 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Ellen Rodman | Schr | 36 | 5' 10" | Black | | | Hair | Eye | Residence | Rank | Remarks | | | | Sandwich | | | | |
|
| Oakes C. Toby | Dryade | Bark | 1847 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Dryade | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|