| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| William L. Mulveyhill | Franklin | Schr | 1888 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Franklin | Schr | 22 | 5' 2" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Boston | | | | |
|
| William L. Morse | Ocean | Bark | 1857 | 18 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Ocean | Bark | 18 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Canton, Ma | | | | |
|
| William L. Mayhew | Julian | Ship | 1841 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Julian | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | 3rd Mate | | | |
|
| William L. Mayhew | Julian | Ship | 1841 | 26 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Julian | Ship | 26 | 5' 9 1/2" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Chilmark | | Returned | | |
|
| William L. Manchester | Kate Cory | Brig | 1861 | 18 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Kate Cory | Brig | 18 | | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light Brown | | Fall River | | | | |
|
| William L. Malona | Mentor | Ship | 1845 | 36 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Mentor | Ship | 36 | 6' 0" | Light | | | Hair | Eye | Residence | Rank | Remarks | | light | | New London | | | | |
|
| William L. Mallory | Electra | Ship | 1832 | 18 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Electra | Ship | 18 | 5' 3" | Light | | | Hair | Eye | Residence | Rank | Remarks | | | | New London | | | | |
|
| William L. Lemons | Champion | Ship | 1855 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Champion | Ship | 22 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Syracuse | | | | |
|
| William L. Lang | LeBaron | Brig | 1840 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | LeBaron | Brig | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | | | |
|
| William L. Kydd | William A. Grozier | Schr | 1905 | 26 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | William A. Grozier | Schr | 26 | 5' 10" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Curly | | New Bedford | | | | |
|
| William L. Kydd | William A. Grozier | Schr | 1910 | 29 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | William A. Grozier | Schr | 29 | 5' 11" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | | | New Bedford | | | | |
|
| William L. Kinney | Barclay | Ship | 1831 | 18 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Barclay | Ship | 18 | | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | | | DID NOT RETURN FROM VOYAGE | | |
|
| William L. Jr. Norton | President | Bark | 1865 | 26 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | President | Bark | 26 | 5' 5 3/4" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Black | | New Bedford | | | | |
|
| William L. Jr. Cone | Tropic Bird | Bark | 1876 | 22 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Tropic Bird | Bark | 22 | 5' 11" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Eastham | | Came home | | |
|
| William L. Jackson | Inez | Ship | 1845 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Inez | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | | | |
|
