| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| Michael Sylvias | Vigilant | Bark | 1870 | 35 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Vigilant | Bark | 35 | 5' 10" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Lisbon | | | | |
|
| Michael Sylvia | Sunbeam | Bark | 1895 | 23 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Sunbeam | Bark | 23 | 5' 5" | | | | Hair | Eye | Residence | Rank | Remarks | | | | New Bedford | | | | |
|
| Michael Sylvia | Stephania | Bark | 1860 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Stephania | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | 4th Mate | | | |
|
| Michael Sylvia | Java II | Bark | 1864 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Java II | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | | | |
|
| Michael Sylvia | Huntress | Ship | 1844 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Huntress | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Ordinary | | | |
|
| Michael Sylvia | Lagoda | Ship | 1856 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Lagoda | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | | | |
|
| Michael Sylvia | Draco | Bark | 1862 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Draco | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | | | |
|
| Michael Sylvia | Mattapoisett | Bark | 1876 | 26 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Mattapoisett | Bark | 26 | 5' 6" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Fayal | | | | |
|
| Michael Sylva | Hercules II | Ship | 1847 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Hercules II | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | | | |
|
| Michael Swift | Marcia | Ship | 1853 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Marcia | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Michael Sweney | Hercules II | Ship | 1843 | 18 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Hercules II | Ship | 18 | 5' 5 1/2" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Boston | | | | |
|
| Michael Sweney | Uncas | Ship | 1843 | 19 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Uncas | Ship | 19 | | | | | Hair | Eye | Residence | Rank | Remarks | | | | Boston | | | | |
|
| Michael Sweet | Congress | Ship | 1843 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Congress | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | | | |
|
| Michael Sullivan | Era | Schooner | 1877 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Era | Schooner | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | New York | | | | |
|
| Michael Sullivan | Islander | Bark | 1871 | 21 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Islander | Bark | 21 | 5' 8 1/2" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Holyoke | | # shipped but did not sail | | |
|