| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| Sylvanus Allen | George and Martha | Ship | 1825 | 17 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | George and Martha | Ship | 17 | 5' 4 1/2" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | New Bedford | | | | |
|
| Sylvanus Allen | Henry Taber | Bark | 1864 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Henry Taber | Bark | 22 | 5' 8" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Dartmouth | | | | |
|
| Sylvanus A. Wilcox | Mattapoisett | Bark | 1869 | 27 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Mattapoisett | Bark | 27 | 5' 9 1/2" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Fairhaven | | | | |
|
| Sylvanus A. Wilcox | Mabel | Bark | 1881 | 40 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Mabel | Bark | 40 | 5' 11 3/4" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Fairhaven | | | | |
|
| Sylvanus A Wilcox | Lancer | Bark | 1877 | 36 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Lancer | Bark | 36 | 6' 0" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Fairhaven | | | | |
|
| Sylvanus 2d Allen | South Seaman | Ship | 1856 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | South Seaman | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Cooper | 4TH MATE AND SHIPKEEPER | | |
|
| Sylvanus (Bute) | Columbus | Ship | 1826 | 18 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Columbus | Ship | 18 | 5' 8" | light | | | Hair | Eye | Residence | Rank | Remarks | | light | | Bridgewater | | | | |
|
| Sylvannus Skiff | Pacific II | Ship | 1842 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Pacific II | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Sylvannus Sherman | Barclay | Ship | 1831 | 20 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Barclay | Ship | 20 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Dartmouth | | | | |
|
| Sylvanns B. Nichols | Callao | Ship | 1842 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Callao | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | | | |
|
| Sylvann A. Gibson | Zoe | Brig | 1855 | 40 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Zoe | Brig | 40 | 6' 0" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | New London | | | | |
|
| Sylvanas S. Smith | Copia | Ship | 1845 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Copia | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | | | |
|
| Sylvaman Spencer | General Pike | Ship | 1841 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | General Pike | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Sylva Eny | Dove | Bark | 1844 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Dove | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | unknown | | | | |
|
| Sylva Decosta | Gay Head II | Bark | 1877 | 28 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Gay Head II | Bark | 28 | 6' 0" | Black | | | Hair | Eye | Residence | Rank | Remarks | | Black | | Bonavista, Cape Verde | | | | |
|
