Home | Holdings & Collections | Ships' Captains Index
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| Captains | Vessel | Reg. No. |
| O'Brien, Bryan | Native Lass | 1843011 |
| O'Brien, Bryan | Nimrod | 1838076 |
| O'Brien, Bryan | Pratincole | 1842047 |
| O'Brien, Bryan | Prosperity | 1840045 |
| O'Brien, Bryan | Saint Margaret | 1843016 |
| O'Brien, Bryan | Superior | 1844154 |
| O'Brien, F. | Victorine | 1885082 |
| O'Brien, L. | Victorine | 1885082 |
| O'Brien, Matthew | Argo | 1843129 |
| O'Brien, Michael | Edward | 1842091 |
| O'Brien, Thomas | Ann | 1840030 |
| O'Brien, Thomas | Castle Tioram | 1842037 |
| O'Brien, Thomas | Dolphin | 1843018 |
| O'Brien, Thomas | Margaret Parker | 1849046 |
| O'Brien, Thomas | Mary | 1844157 |
| O'Brien, Thomas | Mary | 1846008 |
| O'Brien, Thomas | Saint Johns | 1842009 |
| O'Brien, Thomas | William Horatio | 1841078 |
| O'Brine, Bryan | Orestes | 1837139 |
| O'Bryan, Bryan | Trial | 1839022 |
| O'Bryan, Thomas | Dirk Hattarick | 1837078 |
| O'Connor, Thomas | Mary | 1846008 |
| O'Donnell, Edward | Edward Rich | 1879100 |
| O'Donnell, Edward | Visitor | 1826109 |
| O'Keefe, William | Neptune | 1888115 |
| O'Leary, Patrick | Native Lass | 1843011 |
| O'Neal, Edward | Almira | 1835042 |
| O'Neale, Dennis | Curlew | 1858019 |
| O'Neil, Constantin | Lilydale | 1882037 |
| O'Neil, Edward | Active | 1839058 |
| O'Neil, Edward | Loyalty | 1841024 |
| O'Neil, James | Arabian | 1841046 |
| O'Neil, James | Fame | 1830080 |
| O'Neil, James | Hope | 1836026 |
| O'Neil, James | John Fulton | 1833102 |
| O'Neil, James | Orion | 1836091 |
| O'Neil, James | Saint Joseph | 1831040 |
| O'Neil, James | Two Sisters | 1828016 |
| O'Neil, Owen | Austin | 1833114 |
| O'Neil, Richard | Thrasher | 1886134 |
| O'Neill, Cornelius | Cousins | 1844115 |
| O'Neill, James | Annabella | 1826106 |
| O'Neill, James | Dispatch | 1830005 |
| O'Neill, James | Saint Patrick | 1837018 |
| O'Neill, James | Scipio | 1833038 |
| O'Neill, William | Robie M. | 1887009 |
| O'Neille, Philip | Fond Mother | 1876083 |
| O'Spicie, John | Tigress | 1872033 |
| O'Toole, M. | Zephyr | 1884029 |
| Oakey, P. | Felicity | 1821026 |
| Oakley, John T. | Greenspond | 1829088 |
| Oakley, John Thorn | Harriet | 1822018 |
| Oakley, John Thorn | Jane & Mary | 1834126 |
| Oakley, Robert | Reine de Prevoyance | 1872065 |
| Oates, Thomas | Joseph | 1826069 |
| Oates, Thomas | Little Belt | 1825147 |
| Oates, Thomas | Little Belt | 1823012 |
| Oates, Thomas | Thirteen Brothers & Sisters | 1828068 |
| Oates, Thomas | Thirteen Brothers & Sisters | 1842114 |
| Oates, Thomas (Jr.) | John Gibson | 1849087 |
| Oates, William | Bee | 1826021 |
| Oates, William | John Gibson | 1849087 |
| Oats, John | Nymph | 1826037 |
| Oats, Thomas (Jr.) | Belle | 1852126 |
| Oats, Thomas (Sr.) | Belle | 1852126 |
| Oke, Robert | Wave | 1832055 |
| Oldford, D. | Glad Tidings | 1889077 |
| Oldford, George | Menagerie | 1883018 |
| Oldford, Hezekiah | Cherub | 1883051 |
| Oldford, J. | Glad Tidings | 1889077 |
| Oldford, James | Annie Brown | 1888004 |
| Oldford, James | Annie Syme | 1880092 |
| Oldford, James | Enterprise | 1874064 |
| Oldford, Y. | Rover | 1884033 |
| Oldrey, John | Mary | 1823036 |
| Olford, Andrew | William & James | 1877021 |
| Olger, John | Rover | 1826046 |
| Oliphant, Robert | Anastatia | 1840026 |
| Oliver, Thomas | John Nichole | 1851001 |
| Olsen, C. | Aureola | 1886084 |
| Olson, Henry | Nellie | 1882089 |
| Organ, Edward | Mary Jane | 1832056 |
| Organ, George T. | Caroline | 1889097 |
| Organ, James | Mary Jane | 1884017 |
| Organ, James | Wave | 1859093 |
| Organ, Samuel | Frances | 1887094 |
| Orr, John | Escape | 1852009 |
| Orzow, John | Henrietta | 1884111 |
| Osborne, Thomas | Packet | 1862050 |
| Osborne, William | Benjamin | 1853120 |
| Osmond, Ambrose | Arctic | 1884063 |
| Osmond, Ambrose | Aurora | 1886033 |
| Osmond, Ambrose | Comet | 1877036 |
| Osmond, Ambrose | Gen Gordon | 1885042 |
| Osmond, Ambrose | Hisperus | 1887041 |
| Osmond, Ambrose | Jessie | 1889070 |
| Osmond, Ambrose | Nellie | 1883037 |
| Osmond, Ambrose | Presto | 1880083 |
| Osmond, Ambrose | Romeo | 1888063 |
| Osmond, Ambrose | Torpedo | 1882030 |
| Osmond, Arthur | Pet | 1887011 |
| Osmond, Joseph | A.J.O. | 1881043 |
| Osmond, Joseph | Elizabeth Ann | 1843069 |
| Osmond, Joseph | Gipsy | 1889080 |
| Osmond, Joseph | Juliet | 1888062 |
| Osmond, Joseph | Pioneer | 1880079 |
| Osmond, Joseph | Scout | 1879059 |
| Osmond, Joseph B. | Hiawatha | 1889068 |
| Osmond, Joseph B. | Stella | 1885078 |
| Osmond, Mark | Hettie | 1879060 |
| Osmond, Richard (Jr.) | Liberty | 1826044 |
| Osmond, Thomas | Archibald | 1861002 |
| Osmond, Thomas | Thomas V. Martin | 1876020 |
| Osmond, Uriah | X.X.X. | 1882031 |
| Osmond, William | Ocean Queen | 1841079 |
| Ott, Andrew | William Punton | 1850003 |
| Ott, H. | Providence | 1853006 |
| Owen, Charles | Argo | 1848025 |
| Oxford, F.H. | Emeline | 1880138 |
| Oxford, Francis | Reason | 1881120 |
| Oxford, Frederick Henry | Maranee | 1870032 |
| Oxford, Henry | Rise & Go | 1880160 |
| Oxford, Joseph | Antelope | 1882087 |
| Oxum, Robert | Angeline Corkum | 1881123 |
| Ozon, Charles | Josie Belle | 1881103 |
| Ozon, John | Josie Belle | 1881103 |
| Ozore, Charles | Narcissus | 1884135 |
