| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| Isaac T. Richardson | Condor | Ship | 1844 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Condor | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Isaac T. Wilcox | President II | Bark | 1851 | 17 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | President II | Bark | 17 | | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Tiverton | | | | |
|
| Isaac Talmajo | Dover | Ship | 1851 | 28 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Dover | Ship | 28 | 5' 7" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Sag Harbor | | | | |
|
| Isaac Taylor | Grand Turk | Ship | 1840 | 24 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Grand Turk | Ship | 24 | | White | | | Hair | Eye | Residence | Rank | Remarks | | | | Dartmouth | | | | |
|
| Isaac Tenny | Armata | Ship | 1838 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Armata | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | New York | | | | |
|
| Isaac Thacher | George and Martha | Ship | 1821 | 19 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | George and Martha | Ship | 19 | 5' 7 7/8" | brown | | | Hair | Eye | Residence | Rank | Remarks | | dark | | Yarmouth | | | | |
|
| Isaac Thatcher | Dragon | Bark | 1831 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Dragon | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Master | | | |
|
| Isaac Thatcher | John | Ship | 1840 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | John | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Master | | | |
|
| Isaac Thomkins | Charles Frederick | Ship | 1842 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Charles Frederick | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | DISCHARGED AT LAHAINA HAWAIIAN ISLAND 11/18/1845 | | |
|
| Isaac Thompson | Juno | Brig | 1845 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Juno | Brig | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | | | |
|
| Isaac Thompson | George | Ship | 1846 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | George | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | | | |
|
| Isaac Thompson | Rainbow | Ship | 1865 | 21 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Rainbow | Ship | 21 | 5' 7" | Black | | | Hair | Eye | Residence | Rank | Remarks | | Black | | Chilmark | | | | |
|
| Isaac Thompson | White Oak | Bark Ship | 1841 | 32 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | White Oak | Bark Ship | 32 | 5' 8" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | New York | | | | |
|
| Isaac Tibbets | Java II | Ship | 1828 | 21 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Java II | Ship | 21 | | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Sanford, Me | | | | |
|
| Isaac Tinnyck | Bra(h)min | Bark | 1841 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Bra(h)min | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Ordinary | ON AT MAUI SANDWICH ISLAND 10/17/1844 | | |
|
