| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| Isaac Lothrop | Mount Wollaston | Ship | 1858 | 27 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Mount Wollaston | Ship | 27 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Black | | Plymouth | | | | |
|
| Isaac Lothrop | Twilight | Ship | 1854 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Twilight | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | 3rd Mate | | | |
|
| Isaac Lothrop | Phenix | Ship | 1847 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Phenix | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Boatsteerer | | | |
|
| Isaac Lothrop | Phenix | Ship | 1851 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Phenix | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | 4th Mate | AND B/S | | |
|
| Isaac Loveardge | Henry Kneeland | Ship | 1858 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Henry Kneeland | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | | | |
|
| Isaac Loveredge | Henry Kneeland | Ship | 1858 | 26 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Henry Kneeland | Ship | 26 | | Light | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Boston | | | | |
|
| Isaac Lovett | Ohio II | Ship | 1845 | 21 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Ohio II | Ship | 21 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Roscio, Ny | | | | |
|
| Isaac Luster | Flora | Ship | 1839 | 25 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Flora | Ship | 25 | 5' 6" | Black | | | Hair | Eye | Residence | Rank | Remarks | | Curly | | New London | | | | |
|
| Isaac Luster | Julius Caesar | Ship | 1843 | 28 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Julius Caesar | Ship | 28 | 5' 6" | Negro | | | Hair | Eye | Residence | Rank | Remarks | | | | New London | | | | |
|
| Isaac Luster | Izaak Walton | Ship | 1844 | 30 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Izaak Walton | Ship | 30 | 5' 6" | Negro | | | Hair | Eye | Residence | Rank | Remarks | | | | New London | | | | |
|
| Isaac M Hatch | Candace | Bark | 1853 | 23 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Candace | Bark | 23 | 5' 10" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Ohio | | | | |
|
| Isaac M. Bayley | Daniel Wood | Bark | 1865 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Daniel Wood | Bark | 22 | 5' 6" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | | | | | |
|
| Isaac M. Brownell | Rousseau | Bark | 1866 | 47 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Rousseau | Bark | 47 | 5' 9" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | New Bedford | | | | |
|
| Isaac M. Brownell | Thomas Winslow | Brig | 1840 | 21 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Thomas Winslow | Brig | 21 | | | | | Hair | Eye | Residence | Rank | Remarks | | | | Tiverton | | | | |
|
| Isaac M. Brownell | America II | Ship | 1850 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | America II | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | 4th Mate | | | |
|
