| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| Onathan S. Lepper | Lancaster | Ship | 1848 | 36 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Lancaster | Ship | 36 | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Black | | Coppinham | | | | |
|
| Onar? Stroud | Franklin | Schooner | 1844 | 16 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Franklin | Schooner | 16 | 5' 3" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | New London | | | | |
|
| Onafe Antone Olveira | Triton | Bark | 1887 | 43 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Triton | Bark | 43 | 5' 10" | B | | | Hair | Eye | Residence | Rank | Remarks | | B | | Brava | | | | |
|
| Omer(?) Smith | Cornelia | Schooner | 1868 | 29 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Cornelia | Schooner | 29 | 6' 4" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | Higganum | | | | |
|
| Olympia Sylvia | Daisy | Brig | 1906 | 25 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Daisy | Brig | 25 | 5' 6" | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | | | |
|
| Olympia Silvia | A. E. Whyland | Schr | 1910 | 25 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | A. E. Whyland | Schr | 25 | 5' 7" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Black | | New Bedford | | | | |
|
| Olwiem[??] Stoddamn | Meteor | Ship | 1839 | 25 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Meteor | Ship | 25 | 5' 6" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Groton | | | | |
|
| Olus W. Hayden | Ellen A. Swift | Schr | 1906 | 24 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Ellen A. Swift | Schr | 24 | 5' 7" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | | | | | |
|
| Olson Sisson | Brookline | Ship | 1848 | 26 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Brookline | Ship | 26 | 5' 8" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Dark | | New London | | | | |
|
| Olso Weigard | Clifford Wayne | Ship | 1855 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Clifford Wayne | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Olsen Weeks | Excellent | Brig | 1854 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Excellent | Brig | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Olrin? Mixter | Boston | Ship | 1832 | 29 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Boston | Ship | 29 | 5' 9" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Preston | | | | |
|
| Olover Smith | Joseph Meigs | Ship | 1844 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Joseph Meigs | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Olny Paiv | Gratitude | Ship | 1848 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Gratitude | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Carpenter's Mate | | | |
|
| Olney Phillips | Adeline Gibbs | Ship | 1841 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Adeline Gibbs | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Blacksmith | | | |
|
