| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| Isaac G. Wilbur | Hydaspe | Bark | 1852 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Hydaspe | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Isaac Gahan | Alto | Bark | 1844 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Alto | Bark | 22 | 5' 8 3/4" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Philadelphia | | | | |
|
| Isaac Gallop | Palladium | Ship | 1837 | 30 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Palladium | Ship | 30 | 5' 9" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | dark | | New London | | | | |
|
| Isaac Gardner | Maria | Ship | 1828-Sep | 17 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Maria | Ship | 17 | 5' 7" | Copper | | | Hair | Eye | Residence | Rank | Remarks | | Black Wooly | | New Bedford | | | | |
|
| Isaac Gardner | Bra(h)min | Bark | 1832 | 20 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Bra(h)min | Bark | 20 | 5' 7" | copper | | | Hair | Eye | Residence | Rank | Remarks | | black | | New Bedford | | | | |
|
| Isaac Gaul | Ocean | Ship | 1856 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Ocean | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Ordinary | AND BLACKSMITH | | |
|
| Isaac Gibbs | Golconda II | Ship | 1844 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Golconda II | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Isaac Gibbs | Golconda II | Ship | 1844 | 17 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Golconda II | Ship | 17 | 5' 5 3/4" | Black | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Boston | | | | |
|
| Isaac Gibson | Lafayette | Bark | 1840 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Lafayette | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Cook | DID NOT RETURN FROM VOYAGE | | |
|
| Isaac Gifford | London Packet II | Bark | 1844 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | London Packet II | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Ordinary | | | |
|
| Isaac Gifford | London Packet II | Bark | 1844 | 18 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | London Packet II | Bark | 18 | 4' 9 1/2" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Westport | | | | |
|
| Isaac Gifford | Mercury | Ship | 1841 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Mercury | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Isaac Gifford | Emily Morgan | Ship | 1849 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Emily Morgan | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Boatsteerer | | | |
|
| Isaac Gilbert | Hibernia II | Ship | 1851 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Hibernia II | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Isaac Gilbert | Hibernia II | Ship | 1851 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Hibernia II | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | | | |
|
