| NAME ▲ | ▼ | VESSEL ▲ | ▼ | RIG | YEAR ▲ | ▼ | AGE | MORE |
|
| Francis O. Rotch | John A. Robb | Bark | 1845 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | John A. Robb | Bark | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | 2nd Mate | | | |
|
| Francis O. Shea | Peru | Bark | 1878 | 38 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Peru | Bark | 38 | 5' 6 1/2" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Cork, Ireland | | | | |
|
| Francis Oacum | Marcia | Ship | 1841 | 19 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Marcia | Ship | 19 | 5' 4" | Black | | | Hair | Eye | Residence | Rank | Remarks | | Black | | Princeton, NJ | | | | |
|
| Francis Oholo | Neptune | Ship | 1830 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Neptune | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | Name crossed out. | | |
|
| Francis Oholo | Ann Maria | Ship | 1830 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Ann Maria | Ship | | | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Black | | New London | | | | |
|
| Francis Oholo | Ann Maria | Ship | 1832 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Ann Maria | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | New London | | | | |
|
| Francis Olderte | William and Eliza | Ship | 1852 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | William and Eliza | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Francis Oldson | Pallas | Bark | 1832 | 24 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Pallas | Bark | 24 | 5' 6" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Light | | Salem | Seaman | | | |
|
| Francis Olivet | William | brig | 1838 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | William | brig | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | | | |
|
| Francis Olivet | William | brig | 1839 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | William | brig | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | | Condemned at St. Thomas January 15, 1840 | | |
|
| Francis Omegas | Coral | Ship | 1850 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Coral | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Boatsteerer | | | |
|
| Francis Oneill | Harbinger | Ship | 1851 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Harbinger | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Greenhand | | | |
|
| Francis Orties | Science | Ship | 1844 | | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Science | Ship | | | | | | Hair | Eye | Residence | Rank | Remarks | | | | | Seaman | | | |
|
| Francis P Barros | Wabash | Ship | 1833 | 23 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Wabash | Ship | 23 | 5' 5" | Dark | | | Hair | Eye | Residence | Rank | Remarks | | Black | | New London | | | | |
|
| Francis P Eldridge | Vigilant | Bark | 1874 | 44 | ⊕ |
| | | Vessel | Rig | Age | Height | Skin | | Vigilant | Bark | 44 | 5' 5 1/2" | Light | | | Hair | Eye | Residence | Rank | Remarks | | Brown | | Acushnet | | | | |
|