| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| Silvanus Bourne | New Bedford | Ship | 1850 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | New Bedford | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Boatsteerer | | | |
|
| Silvanus Bacheldor | China | Ship | 1856 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | China | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Silvanus B. Potter | Emma C. Jones | Ship | 1866 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Emma C. Jones | Ship | 22 | 5' 5 1/2" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Dartmouth | 4th Mate | | | |
|
| Silvanus B. Brown | Inga | Brig | 1842 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Inga | Brig | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | Wareham | | | | |
|
| Silvanus B. Bourn | Inga | Brig | 1843 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Inga | Brig | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Boatsteerer | | | |
|
| Silvanus Allen | LeBaron | Ship | 1847 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | LeBaron | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | 2nd Mate | | | |
|
| Silvanus Allen | Logan | Ship | 1830 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Logan | Ship | 22 | 5' 4 1/2" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | New Bedford | | | | |
|
| Silvanus Allen | Sylph | Ship | 1847 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Sylph | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Cooper | | | |
|
| Silvanus Allen | Heroine | Ship | 1831 | 20 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Heroine | Ship | 20 | 5' 4" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Black | | New Bedford | | | | |
|
| Silvanus Allen | George and Martha | Ship | 1824 | 16 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | George and Martha | Ship | 16 | 5' 4 1/2" | dark | | | Hair | Eye | Residence | Rank | Remarks | | dark | | New Bedford | | A #13 entered before first name | | |
|
| Silvanus Allen | Marcella | Bark | 1840 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Marcella | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Boatsteerer | | | |
|
| Silvanus Allen | Marcella | Bark | 1842 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Marcella | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | 3rd Mate | | | |
|
| Silvanus Allen | Marcella | Bark | 1844 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Marcella | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | 2nd Mate | | | |
|
| Silvador S. Balch | Mercury | Ship | 1842 | 25 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Mercury | Ship | 25 | 5' 4" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Nantucket | | | | |
|
| Silva De Costa | Gay Head II | Bark | 1882 | 35 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Gay Head II | Bark | 35 | 5' 9" | B | | | Hair | Eye | Residence | Rank | Remarks | | B | | Bonavista | | | | |
|