| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| John M. Rockwell | Dromo | Ship | 1844 | 21 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Dromo | Ship | 21 | 5' 3" | light | | | Hair | Eye | Residence | Rank | Remarks | | light | | New London | | | | |
|
| John M. Robert | Champion | Ship | 1853 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Champion | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| John M. Ready | Sharon | Ship | 1841 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Sharon | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Ordinary | ON AT MAUI SANDWICH ISLAND 05/21/1843 | | |
|
| John M. Pierce | Balaena | Ship | 1830 | 32 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Balaena | Ship | 32 | | Light | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Watertown | | | | |
|
| John M. Peirce | Balaena | Ship | 1830 | 32 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Balaena | Ship | 32 | | Light | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Watertown | | DIED OF SCURVY 08/1832 | | |
|
| John M. Patterson | Favorite | Bark | 1857 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Favorite | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | | | |
|
| John M. Patterson | Favorite | Bark | 1857 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Favorite | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | | | |
|
| John M. Nugent | Romulus | Ship | 1842 | 30 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Romulus | Ship | 30 | 5' 8" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | New York | | | | |
|
| John M. Nicholson | Hector | Ship | 1843 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Hector | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| John M. Murphy | Clarice | Bark | 1863 | 26 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Clarice | Bark | 26 | 5' 7 1/2" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Philadelphia | Seaman | | | |
|
| John M. Motts | Theophilus Chase | Bark | 1848 | 25 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Theophilus Chase | Bark | 25 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Adison, NJ | | | | |
|
| John M. Mott | Theophilus Chase | Bark | 1848 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Theophilus Chase | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | | | |
|
| John M. Mott | Theophilus Chase | Bark | 1849 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Theophilus Chase | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | | | |
|
| John M. Morris | Wavelet | Bark | 1855 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Wavelet | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Cabin Boy | | | |
|
| John M. Monson | Sea Breeze | Bark | 1865 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Sea Breeze | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | Portsmouth, Ri | | | | |
|
