| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| Isaac Forrest | Tampico | Brig | 1837 | 29 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Tampico | Brig | 29 | 5' 10" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | dark | | Baltimore | | | | |
|
| Isaac Fortune | Fortune | Bark | 1850 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Fortune | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Isaac Fox | Parachute | Ship | 1855 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Parachute | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Isaac Fox | Parachute | Ship | 1855 | 21 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Parachute | Ship | 21 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | New York | | | | |
|
| Isaac Freeman | Midas | Ship | 1821 | 28 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Midas | Ship | 28 | 5' 9 1/2" | Black | | | Hair | Eye | Residence | Rank | Remarks | | Blk Wooly | | New Bedford | | o no protection & foreiners | | |
|
| Isaac Fryer | Congress II | Ship | 1852 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Congress II | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Ordinary | | | |
|
| Isaac Fugerson | Samuel Robertson | Ship | 1846 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Samuel Robertson | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Carpenter | | | |
|
| Isaac Fuller | Eliza Adams | Ship | 1863 | 35 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Eliza Adams | Ship | 35 | 5' 9 1/2" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Harrisburg, Vt | | | | |
|
| Isaac Fuller | Emma C. Jones | Ship | 1849 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Emma C. Jones | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Isaac G West | Euphrates | Ship | 1862 | 21 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Euphrates | Ship | 21 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | New Bedford | | | | |
|
| Isaac G. Hedge | Maria | Ship | 1831 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Maria | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Master | | | |
|
| Isaac G. Borden | Washington Freeman | Bark | 1867 | 36 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Washington Freeman | Bark | 36 | 5' 9 1/2" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | New Bedford | | | | |
|
| Isaac G. Borden | Mary Frazier | Bark | 1849 | 24 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Mary Frazier | Bark | 24 | | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Westport | | | | |
|
| Isaac G. Bull | Thomas Winslow | Bark | 1855 | 19 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Thomas Winslow | Bark | 19 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Westport | | | | |
|
| Isaac G. Fether | Oregon | Ship | 1849 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Oregon | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|