| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| Thomas Lansdern | Mars | Bark | 1848 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Mars | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Ordinary | ON AT HOBART TOWN, VAN DIEMENS LAND 02/23/1850 | | |
|
| Thomas Lanigan | Ann Maria | bark | 1840 | 14 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Ann Maria | bark | 14 | 5' 0" | light | | | Hair | Eye | Residence | Rank | Remarks | | light | | | | | | |
|
| Thomas Lanegan | William | brig | 1839 | 14 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | William | brig | 14 | 5' 11" | light | | | Hair | Eye | Residence | Rank | Remarks | | light | | Dartmouth, MA | | Condemned at St. Thomas January 15, 1840 | | |
|
| Thomas Lane | Philip I | Bark | 1858 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Philip I | Bark | 22 | 5' 10" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Brooklyn, NY | | | | |
|
| Thomas Landau? | Electra | Ship | 1841 | 25 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Electra | Ship | 25 | 5' 10" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | New York | | | | |
|
| Thomas Lammatt | Frances Henrietta | Bark | 1855 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Frances Henrietta | Bark | 22 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Springfield | | | | |
|
| Thomas Lamesett | Annawan II | Brig | 1844 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Annawan II | Brig | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | | | |
|
| Thomas Lambert | Aurora | Brig | 1829 | 25 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Aurora | Brig | 25 | | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Nantucket | | | | |
|
| Thomas Lambert | Globe | Ship | 1850 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Globe | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | | | |
|
| Thomas Lambert | Globe | Ship | 1850 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Globe | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Steward | | | |
|
| Thomas Lakey | Cossack | Bark | 1857 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Cossack | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | | | |
|
| Thomas Lakey | Cossack | Bark | 1857 | 23 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Cossack | Bark | 23 | | Florid | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | New York | | | | |
|
| Thomas Lake | Candace | Ship | 1842 | 27 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Candace | Ship | 27 | 5' 8" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Philadelphia | | | | |
|
| Thomas Lake | Candace | Ship | 1842 | 27 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Candace | Ship | 27 | 5' 8" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Philadelphia | | | | |
|
| Thomas Lake | Chelsea | Ship | 1838 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Chelsea | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | Crossed out | | |
|
