| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| Jack Madera | Maria Theresa | Ship | 1851 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Maria Theresa | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Stearsman | | | |
|
| Jack Madina | Heroine | Ship | 1841 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Heroine | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Cook | | | |
|
| Jack Madina | Heroine | Ship | 1845 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Heroine | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | DESERTED | | |
|
| Jack Madira | John and Edward | Ship | 1855 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | John and Edward | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Boatsteerer | | | |
|
| Jack Mangea | Balaena | Ship | 1858 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Balaena | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Cook | | | |
|
| Jack Manuel Lema | Desdemona | Bark | 1876 | 25 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Desdemona | Bark | 25 | 5' 8" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | B | | Cape Verde | | | | |
|
| Jack Marrant | Golden City | Schr | 1904 | 27 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Golden City | Schr | 27 | 5' 7" | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | | | |
|
| Jack Maugea | Balaena | Ship | 1858 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Balaena | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | | | |
|
| Jack Maui | America | Ship | 1845 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | America | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | ON AT LAHAINA, MAUI, HAWAIIAN ISLANDS 04/23/1847 | | |
|
| Jack Maui | George Washington | Ship | 1844 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | George Washington | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | ON AT MAUI SANDWICH ISLAND 04/07/1845 DISCHARGED AT LAHAINA SANDWICH ISLAND 10/01/1845 | | |
|
| Jack McCormick | John and Elizabeth | Ship | 1850 | 27 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | John and Elizabeth | Ship | 27 | 5' 3" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | New London | | | | |
|
| Jack McCormick | Benjamin Morgan | Ship | 1848 | 24 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Benjamin Morgan | Ship | 24 | 5' 1" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | New London | | | | |
|
| Jack Mellet | Wave | Bark | 1883 | 18 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Wave | Bark | 18 | 5' 6" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | B | | West Indies | Boatsteerer | | | |
|
| Jack Melville | Courser | Bark | 1856 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Courser | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Jack Melville | Courser | Bark | 1856 | 21 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Courser | Bark | 21 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Warner, Nh | | | | |
|
