| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| Thaddeus Beebe | Stonington | Ship | 1831 | 30 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Stonington | Ship | 30 | 5' 7" | Light | | | Hair | Eye | Residence | Rank | Remarks | | | | Waterford | | | | |
|
| Thaddeus Beebe | John and Elizabeth | Ship | 1838 | 40 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | John and Elizabeth | Ship | 40 | 5' 5" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Sandy | | New London | | | | |
|
| Thaddeus Bebee | Electra | Ship | 1832 | 27 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Electra | Ship | 27 | 5' 2" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Norwich | | | | |
|
| Thaddeus Baldwin | Henry H. Crapo | Bark | 1854 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Henry H. Crapo | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Thaddeus Adams | Ellen A. Swift | Schr | 1912 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Ellen A. Swift | Schr | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | Saint Vincent | | | | |
|
| Thaddeus A. Hoyt | Richmond II | Bark | 1857 | 21 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Richmond II | Bark | 21 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Norwalk | | | | |
|
| Thaddeus A. Hoyt | Platina | Bark | 1853 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Platina | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Thaddeous Clark | James Andrews | Bark | 1851 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | James Andrews | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Thad Ramsden | Brighton | Ship | 1844 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Brighton | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Thacher Packard | Charles W. Morgan | Ship | 1845 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Charles W. Morgan | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | 3rd Mate | | | |
|
| Thacher Nickerson | Industry | Brig | 1832 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Industry | Brig | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | Dartmouth | | | | |
|
| Th. Williams | Franklin | Schooner | 1833 | 27 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Franklin | Schooner | 27 | 5' 6" | Black | | | Hair | Eye | Residence | Rank | Remarks | | Wooly | | New Bedford | | | | |
|
| Th. Shaws | Franklin | Schooner | 1833 | 28 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Franklin | Schooner | 28 | 5' 8" | dark | | | Hair | Eye | Residence | Rank | Remarks | | light | | New Bedford | | | | |
|
| Th Hart | Elizabeth | Brig | 1840 | 21 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Elizabeth | Brig | 21 | | | | | Hair | Eye | Residence | Rank | Remarks | | | | Tiverton | | | | |
|
| Tetone Thomas | Minerva Smyth | Ship | 1848 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Minerva Smyth | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Boatsteerer | | | |
|