| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| Sylvester Miller | Cowper | Ship | 1845 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Cowper | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Sylvester Merserean | Emma | Bark | 1851 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Emma | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Carpenter | | | |
|
| Sylvester Mccollum | Iowa | Bark | 1856 | 21 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Iowa | Bark | 21 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | New York | | | | |
|
| Sylvester Mccollem | Alfred Gibbs | Ship | 1859 | 21 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Alfred Gibbs | Ship | 21 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | New York | 4th Mate | | | |
|
| Sylvester McCaffery | John and Elizabeth | Bark | 1855 | 23 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | John and Elizabeth | Bark | 23 | 5' 4" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Norwich | | | | |
|
| Sylvester Mayloyi | Emily Morgan | Ship | 1849 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Emily Morgan | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Carpenter | | | |
|
| Sylvester Martin | Sea Breeze | Bark | 1871 | 25 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Sea Breeze | Bark | 25 | 5' 8" | Black | | | Hair | Eye | Residence | Rank | Remarks | | Black | | Cape Verde | | | | |
|
| Sylvester Marshall | Heroine | Ship | 1845 | 21 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Heroine | Ship | 21 | | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Charlestown | | | | |
|
| Sylvester Mahon | Eliza F. Mason | Ship | 1857 | 17 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Eliza F. Mason | Ship | 17 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Cold Spring, Ny | | | | |
|
| Sylvester Mahan | Eliza F. Mason | Ship | 1857 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Eliza F. Mason | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Sylvester M. Marshall | Heroine | Ship | 1845 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Heroine | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Sylvester Lopes | Indian Chief | Ship | 1851 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Indian Chief | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | | | |
|
| Sylvester Little | Java | Bark | 1860 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Java | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | New Bedford | | | | |
|
| Sylvester Little | Java | Bark | 1864 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Java | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | New Bedford | | | | |
|
| Sylvester Little | Europa | Ship | 1856 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Europa | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Boy | | | |
|