| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| Jonathan Congdon | Mentor | Ship | 1831 | 25 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Mentor | Ship | 25 | 5' 5" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Montville | | | | |
|
| Jonathan Congdon | Julius Caesar | Ship | 1831 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Julius Caesar | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | | | |
|
| Jonathan Congdon | John P. West | Bark | 1863 | 40 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | John P. West | Bark | 40 | 5' 2 1/2" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | West Lyme, Ct | | | | |
|
| Jonathan Congden | Mentor | Ship | 1829 | 24 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Mentor | Ship | 24 | 5' 5" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | New London | | | | |
|
| Jonathan Colvin | William C. Nye | Ship | 1843 | 23 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | William C. Nye | Ship | 23 | 5' 11" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Groton | | | | |
|
| Jonathan Colver | William C. Nye | Ship | 1846 | 26 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | William C. Nye | Ship | 26 | 5' 11" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Groton | | | | |
|
| Jonathan Colesworthy | Reaper | Bark | 1833 | 55 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Reaper | Bark | 55 | 5' 5" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Nantucket | | has papers | | |
|
| Jonathan Coles | Phoenix | Ship | 1827 | 27 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Phoenix | Ship | 27 | 5' 10" | Negro | | | Hair | Eye | Residence | Rank | Remarks | | | | Philadelphia | | | | |
|
| Jonathan Coffyer | St. George | Ship | 1845 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | St. George | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | | | |
|
| Jonathan Coffin | St. George | Ship | 1845 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | St. George | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | | | |
|
| Jonathan Clark | Indian Chief | Ship | 1821 | 35 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Indian Chief | Ship | 35 | 5' 6" | light | | | Hair | Eye | Residence | Rank | Remarks | | light | | Fairhaven | | | | |
|
| Jonathan Christian | Hope II | Ship | 1841 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Hope II | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | | | |
|
| Jonathan Chesebrough | Harriet | Schooner | 1830 | 31 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Harriet | Schooner | 31 | 5' 9" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Stonington | | | | |
|
| Jonathan Chesebro | Philetus | Bark | 1835 | 35 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Philetus | Bark | 35 | 5' 8" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Stonington | | | | |
|
| Jonathan Cheesebrough | Penguin | Schooner | 1831 | 25 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Penguin | Schooner | 25 | 5' 6" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Stonington | | | | |
|
