| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| William Jeffery | Draco | Bark | 1875 | 18 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Draco | Bark | 18 | 5' 5" | | | | Hair | Eye | Residence | Rank | Remarks | | | | Saint Helena | | | | |
|
| William Jefferson | Canton I | Ship | 1842 | 21 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Canton I | Ship | 21 | 5' 5" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Lockport | | | | |
|
| William Jeffers | John | Ship | 1844 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | John | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | 3rd Mate | | | |
|
| William Jeffers | Tropic Bird | Brig | 1878 | 38 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Tropic Bird | Brig | 38 | 5' 7" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | New Bedford | | | | |
|
| William Jeffers | Equator | Bark | 1843 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Equator | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | 2nd Mate | | | |
|
| William Jeffers | Equator | Bark | 1843 | 33 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Equator | Bark | 33 | 5' 6 3/4" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Black | | New York | | | | |
|
| William Jeanes | General Scott | Ship | 1851 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | General Scott | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| William Jayred | Olympia | Ship | 1847 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Olympia | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| William Jaye | Leonidas | Bark | 1864 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Leonidas | Bark | 22 | 5' 2 3/4" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Black | | Rochester | Steward | | | |
|
| William Jay | Good Return II | Ship | 1828 | 28 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Good Return II | Ship | 28 | 5' 7" | dark | | | Hair | Eye | Residence | Rank | Remarks | | brown | | Nantucket | | | | |
|
| William Jatter or Jattler | Janus II | Ship | 1848 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Janus II | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | New Hampshire | | | | |
|
| William Jasper | Alice Frazier | Bark | 1851 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Alice Frazier | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Boatsteerer | | | |
|
| William Jasper | Niger | Ship | 1852 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Niger | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| William Jarvus | Mermaid | Bark | 1855 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Mermaid | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | 3rd Mate | | | |
|
| William Jarvis | Montpelier | Ship | 1853 | 45 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Montpelier | Ship | 45 | | Black | | | Hair | Eye | Residence | Rank | Remarks | | Wooly | | Cold Spring | | | | |
|