| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| Dennis Maygeo | George Porter | Ship | 1831 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | George Porter | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | | | |
|
| Dennis Mcbride | Pioneer | Bark | 1875 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Pioneer | Bark | 22 | 5' 9" | Light | | | Hair | Eye | Residence | Rank | Remarks | | | | Providence | | | | |
|
| Dennis McCarron | Eschol | Brig | 1873 | 27 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Eschol | Brig | 27 | 5' 10" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | East Boston | Greenhand | | | |
|
| Dennis Mccarthy | Francis Allyn | Schr | 1889 | 21 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Francis Allyn | Schr | 21 | 5' 5" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Boston, Ma | Greenhand | | | |
|
| Dennis McCarthy | Isabella | Brig | 1869 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Isabella | Brig | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | New London | | | | |
|
| Dennis Mccarthy | Northern Light | Bark | 1871 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Northern Light | Bark | 22 | 5' 6" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | South Carolina | | [hair color appears to be 'D ' overwritten with 'L '] | | |
|
| Dennis Mccarthy | Ansel Gibbs | Bark | 1870 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Ansel Gibbs | Bark | 22 | 5' 9" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Charlestown, Sc | | | | |
|
| Dennis McCready | Neptune | Ship | 1833 | 21 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Neptune | Ship | 21 | 5' 7" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | New York | | | | |
|
| Dennis Mclaughton | Sarah | Bark | 1867 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Sarah | Bark | 22 | 5' 7" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Amesbury | | | | |
|
| Dennis Moran | General Williams | Ship | 1845 | 20 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | General Williams | Ship | 20 | 5' 8" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Boston | | | | |
|
| Dennis Moriarty | Helen | Brig | 1848 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Helen | Brig | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Dennis Moriurty | Helen | Brig | 1848 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Helen | Brig | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Dennis O'Leary | Henry Thompson | Ship | 1847 | 18 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Henry Thompson | Ship | 18 | 5' 5" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | New London | | | | |
|
| Dennis O'neil | Mary Frazier | Bark | 1887 | 33 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Mary Frazier | Bark | 33 | 5' 6" | Sandy | | | Hair | Eye | Residence | Rank | Remarks | | Sandy | | Boston | | | | |
|
| Dennis O. Conner | Fenelon | Bark | 1833 | 25 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Fenelon | Bark | 25 | 5' 9 1/2" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | New Bedford | | | | |
|