| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| John L. Macomber | Roman II | Ship | 1844 | 16 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Roman II | Ship | 16 | 5' 0" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Rochester, MA | | | | |
|
| John L. Lucas | Roscius | Bark | 1861 | 13 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Roscius | Bark | 13 | | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | New Bedford | | | | |
|
| John L. Lopers | John R. Manta | Schr | 1918 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | John R. Manta | Schr | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Boatheader | | | |
|
| John L. Lepard | Commodore Perry | Ship | 1834 | 16 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Commodore Perry | Ship | 16 | 5' 4" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | New London | | | | |
|
| John L. Lennet | Parachute | Ship | 1855 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Parachute | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Boatsteerer | | | |
|
| John L. Lennet | Parachute | Ship | 1855 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Parachute | Ship | 22 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Albany | | | | |
|
| John L. Leader | Milton | Ship | 1856 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Milton | Ship | 22 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Greensburg, Pa | | | | |
|
| John L. Lawrence | W(illiam) Martin | Schr | 1876 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | W(illiam) Martin | Schr | 22 | 5' 8" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Pepperell | | | | |
|
| John L. Landers | Winthrop | Bark | 1855 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Winthrop | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| John L. Kitchin | Hibernia | Ship | 1853 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Hibernia | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| John L. Kimball | Clematis | Ship | 1843 | 33 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Clematis | Ship | 33 | 5' 9" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | New Hampshire | | | | |
|
| John L. Kimball | Clematis | Ship | 1845 | 35 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Clematis | Ship | 35 | 5' 9" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | New Hampshire | | | | |
|
| John L. Kiley | Benjamin Morgan | Ship | 1856 | 19 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Benjamin Morgan | Ship | 19 | 5' 4" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | New London, CT | | | | |
|
| John L. Kenney | Osceola II | Bark | 1859 | 24 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Osceola II | Bark | 24 | | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Middleport, Ny | | | | |
|
| John L. Kenhall | New Bedford | Ship | 1844 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | New Bedford | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
