| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| John Mahoney | Minerva Smyth | Ship | 1866 | 46 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Minerva Smyth | Ship | 46 | 5' 4 1/2" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Ireland | | | | |
|
| John Mahoney | Cape Horn Pigeon | Bark | 1858 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Cape Horn Pigeon | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Cooper | | | |
|
| John Mahoney | Cape Horn Pigeon | Bark | 1858 | 27 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Cape Horn Pigeon | Bark | 27 | | Light | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | New York | | | | |
|
| John Mahoney | Sarah | Bark | 1871 | 54 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Sarah | Bark | 54 | 5' 5" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | New York | | | | |
|
| John Mahoney | Sea Ranger | Bark | 1879 | 34 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Sea Ranger | Bark | 34 | 5' 6 1/2" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Fall River | | | | |
|
| John Mahoney | Pavilion | Brig | 1860 | 17 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Pavilion | Brig | 17 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Fall River, Ma | | | | |
|
| John Mahoney | Era | Schooner | 1877 | 32 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Era | Schooner | 32 | 5' 8" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Mattapoisett | | | | |
|
| John Mahon | Florida | Ship | 1843 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Florida | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Ordinary | ON AT MAUI SANDWICH ISLAND 09/19/1845 | | |
|
| John Mahon | Massachusetts | Ship | 1844 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Massachusetts | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| John Mahomrd | Popmunett | Bark | 1847 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Popmunett | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Boatsteerer | | | |
|
| John Mahomet | Sarah Frances | Ship | 1843 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Sarah Frances | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Ordinary | | | |
|
| John Mahomet | James Munroe (Monroe) | Ship | 1840 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | James Munroe (Monroe) | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | Bengal | | Returned | | |
|
| John Mahny | Tampico | Brig | 1840 | 28 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Tampico | Brig | 28 | 5' 5" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | New York | | | | |
|
| John Mahn? | Connecticut | Bark | 1843 | 31 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Connecticut | Bark | 31 | 5' 9" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Sandy | | New London | | | | |
|
| John Maher | Mentor | Ship | 1841 | 24 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Mentor | Ship | 24 | 5' 2" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | New London, CT | | | | |
|