| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| Thomas Macomber | Alto | Bark | 1840 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Alto | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | | | |
|
| Thomas Mackling | L. C. Richmond | Ship | 1848 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | L. C. Richmond | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Cook | | | |
|
| Thomas Mackin | Benjamin Tucker | Ship | 1855 | 21 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Benjamin Tucker | Ship | 21 | | Light | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Watertown, Ma | | | | |
|
| Thomas Mackin | Benjamin Tucker | Ship | 1855 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Benjamin Tucker | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Ordinary | | | |
|
| Thomas Mackin | Valparaiso | Bark | 1856 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Valparaiso | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | | | |
|
| Thomas Mackin | Valparaiso | Bark | 1856 | 17 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Valparaiso | Bark | 17 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Sandwich | | | | |
|
| Thomas Macharas | Mermaid | Bark | 1885 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Mermaid | Bark | 22 | 5' 7" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Black | | Fayal | | | | |
|
| Thomas MacDavit | Tenedos | Bark | 1853 | 21 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Tenedos | Bark | 21 | 5' 5" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | New York | | | | |
|
| Thomas M. Whitney | William Wirt | Ship | 1853 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | William Wirt | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Cooper | | | |
|
| Thomas M. Whitney | Emma C. Jones | Ship | 1849 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Emma C. Jones | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Cooper | | | |
|
| Thomas M. Whitney | Milo | Ship | 1863 | 42 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Milo | Ship | 42 | 5' 6 1/2" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | New Haven | | | | |
|
| Thomas M. Wells | Fanny | Bark | 1852 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Fanny | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Boy | | | |
|
| Thomas M. Vinstry | Uxor | Brig | 1838 | 30 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Uxor | Brig | 30 | 5' 12" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | New London | Master | | | |
|
| Thomas M. Tuckerman | Samuel Wright | Ship | 1833 | 24 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Samuel Wright | Ship | 24 | 5' 5" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Vineyard | | | | |
|
| Thomas M. Toggart | Ohio II | Bark | 1881 | 23 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Ohio II | Bark | 23 | 5' 8" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Brooklyn | | | | |
|