| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| John R. Merry | Tahmaroo | Ship | 1856 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Tahmaroo | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| John R. Mcivers | Sophia Thornton | Ship | 1864 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Sophia Thornton | Ship | 22 | 5' 5" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Canada | | | | |
|
| John R. Mcclintock | Cornelius Howland | Ship | 1854 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Cornelius Howland | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| John R. Mandeville | Commodore Perry | Ship | 1829 | 29 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Commodore Perry | Ship | 29 | 5' 11" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | USA | | | | |
|
| John R. Manchester | Arabella | Ship | 1849 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Arabella | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| John R. Magilton | North Star | SBark | 1881 | 18 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | North Star | SBark | 18 | 5' 7" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Sandy | | New York/Mattapoisett | | | | |
|
| John R. Magilton | John and Winthrop | Bark | 1885 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | John and Winthrop | Bark | 22 | 5' 10" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Mattapoisett | | | | |
|
| John R. Lyon | Sharon | Ship | 1848 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Sharon | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| John R. Lowell | George Washington | Ship | 1855 | 21 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | George Washington | Ship | 21 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Richland, Ny | | | | |
|
| John R. Little | Pacific | Ship | 1852 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Pacific | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| John R. Lewis | Kingfisher | Ship | 1853 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Kingfisher | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | 2nd Mate | | | |
|
| John R. Lewis | Hopeton | Brig | 1857 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Hopeton | Brig | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | 2nd Mate | | | |
|
| John R. Lewis | Hopeton | Brig | 1857 | 24 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Hopeton | Brig | 24 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | New Bedford | | | | |
|
| John R. Lewis | Washington | Ship | 1850 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Washington | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Boatsteerer | | | |
|
| John R. Leonard | Uncas | Ship | 1854 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Uncas | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Steward | | | |
|