By ship name
| Ship | Year | Origin | Destination |
| NAPOLEON | 1849 | Galway | Baltimore |
| NATHANIEL G. WEEKS | 1851 | London | New York |
| NEBRASKA | 1867 | Queenstown | New York |
| NEBRASKA | 1868 | Queenstown | New York |
| NEBRASKA | 1868 | Queenstown | New York |
| NELSON VILLAGE | 1851 | Newry | New York |
| NEPTUNE | 1803 | Newry | Philadelphia |
| NEPTUNE | 1803 | Newry | Philadelphia |
| NESTORIAN | 1890 | Galway | New York |
| NESTORIAN | 1891 | Galway | Boston |
| NEVADA | 1871 | Queenstown | New York |
| NEVADA | 1872 | Queenstown | New York |
| NEVADA | 1873 | Queenstown | New York |
| NEVADA | 1876 | Queenstown | New York |
| NEVADA | 1877 | Queenstown | New York |
| NEVADA | 1878 | Queenstown | New York |
| NEVADA | 1878 | Queenstown | New York |
| NEVADA | 1879 | Queenstown | New York |
| NEVADA | 1883 | Queenstown | New York |
| NEVADA | 1888 | Queenstown | New York |
| NEW HAMPSHIRE | 1851 | Cork | New York |
| NEW WORLD | 1850 | Liverpool | New York |
| NEW WORLD | 1855 | Liverpool | New York |
| NEW YORK | 1845 | Liverpool | New York |
| NICHOLAS BIDDLE | 1848 | Liverpool | New York |
| NORWEGIAN | 1890 | Galway | Boston |
| NUBIA | 1865 | Londonderry | Quebec |
| NUMA | 1803 | Limerick | [unspecified] |