| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| Isaac Conlin | Statesman | Bark | 1842 | 40 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Statesman | Bark | 40 | 5' 9" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Salem | | | | |
|
| Isaac Cook | Catherwood | Brig | 1844 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Catherwood | Brig | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Boatsteerer | | | |
|
| Isaac Cook | D(r). Franklin | Bark | 1841 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | D(r). Franklin | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | | | |
|
| Isaac Cook | D(r). Franklin | Bark | 1842 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | D(r). Franklin | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Boatsteerer | | | |
|
| Isaac Coombs | South Boston | Ship | 1854 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | South Boston | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Ordinary | | | |
|
| Isaac Coombs | Gratitude | Ship | 1851 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Gratitude | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Isaac Coombs | Gratitude | Ship | 1851 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Gratitude | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Isaac Cooper | Gratitude | Bark | 1858 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Gratitude | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Blacksmith | | | |
|
| Isaac Cooper | John Howland | Ship | 1858 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | John Howland | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | | | |
|
| Isaac Cooper | John Howland | Ship | 1858 | 26 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | John Howland | Ship | 26 | | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Lawrence | | | | |
|
| Isaac Cooper | Gratitude | Bark | 1858 | 26 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Gratitude | Bark | 26 | | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Lawrence | | | | |
|
| Isaac Cornwell | Java | Ship | 1843 | 28 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Java | Ship | 28 | 5' 9 1/2" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Watertown | | | | |
|
| Isaac D Pease | Java II | Bark | 1860 | 27 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Java II | Bark | 27 | | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Edgartown | 1st Mate | | | |
|
| Isaac D Sampson | Draco | Bark | 1875 | 21 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Draco | Bark | 21 | 5' 9" | | | | Hair | Eye | Residence | Rank | Remarks | | | | Saint Helena | | | | |
|
| Isaac D Sola | Mount Wollaston | Ship | 1862 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Mount Wollaston | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | | | |
|
