| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| Thomas Duncan | Condor | Bark | 1831 | 14 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Condor | Bark | 14 | 5' 1 1/4" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | New Bedford | | | | |
|
| Thomas Duncan | Daniel Wood | Ship | 1856 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Daniel Wood | Ship | 22 | | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | King William's Co., Va | | | | |
|
| Thomas Dumont | Sappho | Bark | 1852 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Sappho | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Thomas Duliman | Mary Ann | Ship | 1846 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Mary Ann | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | 1st Mate | | | |
|
| Thomas Duke | Milton | Ship | 1844 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Milton | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | ON AT TALCAHUANO 02/06/1846 | | |
|
| Thomas Duire | Saratoga | Ship | 1849 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Saratoga | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Thomas Duian | John P. West | Bark | 1875 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | John P. West | Bark | 22 | 5' 10" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Middletown, Ny | | | | |
|
| Thomas Duffy | Petrel | Schr | 1868 | 16 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Petrel | Schr | 16 | 5' 1" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Boston | | | | |
|
| Thomas Duffy | Stamboul | Bark | 1881 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Stamboul | Bark | 22 | 5' 7" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | New Bedford | | | | |
|
| Thomas Duffy | Stamboul | Bark | 1881 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Stamboul | Bark | 22 | 5' 7" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | New Bedford | | | | |
|
| Thomas Duff | Mattapoisett | Bark | 1853 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Mattapoisett | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Cook | | | |
|
| Thomas Dudley | Francis Allyn | Schr | 1890 | 24 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Francis Allyn | Schr | 24 | 5' 6" | Light | | | Hair | Eye | Residence | Rank | Remarks | | B | | Boston | Steward | | | |
|
| Thomas Dudley | A. R. Tucker | Bark | 1887 | 23 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | A. R. Tucker | Bark | 23 | 5' 5" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Boston | | | | |
|
| Thomas Duckles | Brandt | Ship | 1833 | 17 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Brandt | Ship | 17 | 5' 7" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | New Bedford | | Not Returned | | |
|
| Thomas Dublin | George and Susan | Bark | 1868 | 23 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | George and Susan | Bark | 23 | 6' 0" | Black | | | Hair | Eye | Residence | Rank | Remarks | | Black | | Saint Vincent | | | | |
|