| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| William C. Swain | Regulator | Schr | 1828 | 20 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Regulator | Schr | 20 | | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | New Bedford | | | | |
|
| William C. Swain | Milton | Ship | 1865 | 20 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Milton | Ship | 20 | 5' 10" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Nantucket | | | | |
|
| William C. Spaulding | William and Henry | Ship | 1845 | 18 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | William and Henry | Ship | 18 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Shutesbury | | | | |
|
| William C. Smith | Maine | Ship | 1842 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Maine | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | 1st Mate | | | |
|
| William C. Slocum | Mentor | Ship | 1841 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Mentor | Ship | 22 | 5' 3" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Hudson, NY | | | | |
|
| William C. Signet | Sea Fox | Bark | 1887 | 20 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Sea Fox | Bark | 20 | 5' 5" | B | | | Hair | Eye | Residence | Rank | Remarks | | B | | Saint Helena | | | | |
|
| William C. Shelton | Uncas | Ship | 1849 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Uncas | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| William C. Shelton | Favorite | Bark | 1857 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Favorite | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | Hartford, Ct | Seaman | | | |
|
| William C. Sears | Chili | Ship | 1848 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Chili | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | DID NOT RETURN FROM VOYAGE | | |
|
| William C. Scharneck | Wave | Bark | 1876 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Wave | Bark | 22 | 5' 6" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Germany | | | | |
|
| William C. Saunders | Dover | Ship | 1845 | 21 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Dover | Ship | 21 | 5' 8" | Light | | | Hair | Eye | Residence | Rank | Remarks | | light | | Hebron | | | | |
|
| William C. Sanford | Phenix | Ship | 1847 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Phenix | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| William C. Sanford | Thomas Nye | Ship | 1851 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Thomas Nye | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Stearsman | | | |
|
| William C. Russell | Rebecca Sims | Ship | 1845 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Rebecca Sims | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Boatsteerer | DISCHARGED AT SYDNEY NEW SOUTH WALES 12/28/1848 | | |
|
| William C. Russell | George and Susan | Ship | 1852 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | George and Susan | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | 3rd Mate | | | |
|