| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| Isaac Lewis | Minerva | Bark | 1819 | 16 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Minerva | Bark | 16 | 5' 1 3/4" | Yellow | | | Hair | Eye | Residence | Rank | Remarks | | Black Wooly | | New Bedford | | | | |
|
| Isaac Libbey | George Washington | Ship | 1840 | 19 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | George Washington | Ship | 19 | | | | | Hair | Eye | Residence | Rank | Remarks | | | | Newfield, ME | | | | |
|
| Isaac Lincoln | Governor Hopkins | Brig | 1850 | 26 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Governor Hopkins | Brig | 26 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Black | | Dartmouth | | | | |
|
| Isaac Lincoln | Governor Hopkins | Brig | 1850 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Governor Hopkins | Brig | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | | | |
|
| Isaac Lincoln | Washington | Ship | 1842 | 18 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Washington | Ship | 18 | | | | | Hair | Eye | Residence | Rank | Remarks | | | | Dartmouth | | | | |
|
| Isaac Lincoln | Marcella | Bark | 1847 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Marcella | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | | | |
|
| Isaac Lincoln | Orray Taft | Bark | 1869 | 16 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Orray Taft | Bark | 16 | 5' 2" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Dartmouth | | | | |
|
| Isaac Littlefield | Morning Star | Bark | 1853 | 18 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Morning Star | Bark | 18 | | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Kennebunkport | | | | |
|
| Isaac Lopez | Morning Star | Bark | 1868 | 26 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Morning Star | Bark | 26 | 5' 7" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Black | | Cape Verde | | | | |
|
| Isaac Lopez | Mary Frazier | Bark | 1865 | 36 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Mary Frazier | Bark | 36 | 5' 7" | Black | | | Hair | Eye | Residence | Rank | Remarks | | Wooly | | Brava | | | | |
|
| Isaac Lopez | Mary Frazier | Bark | 1865 | 30 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Mary Frazier | Bark | 30 | 5' 7" | Black | | | Hair | Eye | Residence | Rank | Remarks | | Wooly | | Port Royal | | | | |
|
| Isaac Lorenzo | Euphrates | Ship | 1854 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Euphrates | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Ordinary | | | |
|
| Isaac Loring | Charleston Packet | Bark | 1844 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Charleston Packet | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Ordinary | | | |
|
| Isaac Lothrop | Elizabeth | Ship | 1841 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Elizabeth | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Ordinary | | | |
|
| Isaac Lothrop | Daniel Wood | Bark | 1865 | 35 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Daniel Wood | Bark | 35 | 5' 9" | Black | | | Hair | Eye | Residence | Rank | Remarks | | Wooly | | Plymouth, Ma | | | | |
|
