| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| Sylvanus Tallman | Margaret Scott | Bark | 1855 | 15 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Margaret Scott | Bark | 15 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Newport, Ri | | | | |
|
| Sylvanus T. Keith | Leonidas | brig | 1843 | 18 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Leonidas | brig | 18 | 5' 10" | light | | | Hair | Eye | Residence | Rank | Remarks | | brown | | Fall River, MA | seaman | | | |
|
| Sylvanus T. Keith | Rowena | ship | 1841 | 18 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Rowena | ship | 18 | 5' 10" | light | | | Hair | Eye | Residence | Rank | Remarks | | brown | | Fall River, MA | green hand | | | |
|
| Sylvanus T. Hawes | A. R. Tucker | Bark | 1865 | 17 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | A. R. Tucker | Bark | 17 | 5' 7" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Sandy | | New Bedford | | | | |
|
| Sylvanus Shearman | Barclay | Ship | 1831 | 20 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Barclay | Ship | 20 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Dartmouth | | DID NOT RETURN FROM VOYAGE | | |
|
| Sylvanus Sage | South America | Ship | 1851 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | South America | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | | | |
|
| Sylvanus S. Wilcox | Florida II | Ship | 1858 | 16 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Florida II | Ship | 16 | | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Fairhaven | | | | |
|
| Sylvanus S. Waldron | Ohio II | Bark | 1872 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Ohio II | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Master | | | |
|
| Sylvanus S. Longley | Canton I | Ship | 1852 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Canton I | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Sylvanus S. Hoxie | President II | Bark | 1881 | 21 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | President II | Bark | 21 | 5' 4 1/2" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Red | | Sandwich | | | | |
|
| Sylvanus S. Gove | Charles W. Morgan | Ship | 1859 | 19 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Charles W. Morgan | Ship | 19 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Plymouth, Ma | | | | |
|
| Sylvanus S. Gove | James Maury | Ship | 1864 | 19 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | James Maury | Ship | 19 | 5' 4 1/2" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Plymouth, Ma | | | | |
|
| Sylvanus Robinson | Altamaha (Alatamaha) | Schr | 1856 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Altamaha (Alatamaha) | Schr | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Foremast Hand | | | |
|
| Sylvanus Patterson | Sea Breeze | Bark | 1853 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Sea Breeze | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Sylvanus P. Tallman | Jireh Perry | Ship | 1868 | 47 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Jireh Perry | Ship | 47 | 5' 8" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Black | | New Bedford | | | | |
|