| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| Isaac L. Tobey | Commodore Rodgers | Ship | 1822 | 27 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Commodore Rodgers | Ship | 27 | 5' 9" | light | | | Hair | Eye | Residence | Rank | Remarks | | brown | | Rochester | | | | |
|
| Isaac L. Tripp | Polar Star | Ship | 1852 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Polar Star | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Isaac L. Tripp | John | Ship | 1852 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | John | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | | | |
|
| Isaac L. Vanvert | Millinoket | Bark | 1859 | 24 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Millinoket | Bark | 24 | | Light | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Schenectady, Ny | | | | |
|
| Isaac Larom | Minerva II | Ship | 1855 | 21 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Minerva II | Ship | 21 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Troy, Ny | | | | |
|
| Isaac Lawrence | Mermaid | Bark | 1880 | 27 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Mermaid | Bark | 27 | 5' 8" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Westport | | | | |
|
| Isaac Lawrence | Xantho | Bark | 1870 | 17 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Xantho | Bark | 17 | 5' 8" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Westport, Ma | | | | |
|
| Isaac Lawrence | Andrew Hicks | Bark | 1872 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Andrew Hicks | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | | | |
|
| Isaac Lawton | Cora | Bark | 1841 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Cora | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Cooper | ON AT NEW ZEALAND 01/02/1845 | | |
|
| Isaac Leonard | Chili | Schooner | 1833 | 18 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Chili | Schooner | 18 | 5' 4 1/2" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Taunton | | returned | | |
|
| Isaac Lester | Julius Caesar | Ship | 1841 | 28 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Julius Caesar | Ship | 28 | 5' 6" | Negro | | | Hair | Eye | Residence | Rank | Remarks | | | | New London | | | | |
|
| Isaac Leverage | Falcon | Ship | 1849 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Falcon | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Isaac Leverns | Nautilus | Ship | 1851 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Nautilus | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Isaac Levitt | Abraham Barker | Ship | 1848 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Abraham Barker | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | deserted | | |
|
| Isaac Lewis | America | Brig | 1826 | 24 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | America | Brig | 24 | | Yellow | | | Hair | Eye | Residence | Rank | Remarks | | Black | | New Bedford | | | | |
|
