By ship name
| Ship | Year | Origin | Destination |
| J W JOHNSTON | 1854 | Galway | New York |
| JAMES | 1849 | Newry | New York |
| JAMES BAILEY | 1820 | Belfast | Charleston |
| JAMESTOWN | 1847 | Cork | Boston |
| JANE | 1804 | Dublin | New York |
| JANE | 1820 | Belfast | Charleston |
| JANE | 1847 | Cork | Boston |
| JANE MAY | 1847 | Tralee | Baltimore |
| JASON | 1820 | Belfast | Baltimore |
| JAVA | 1868 | Queenstown | New York |
| JAVA | 1868 | Queenstown | New York |
| JAVA | 1870 | Queenstown | New York |
| JEANIE JOHNSTON | 1849 | Tralee | Baltimore |
| JEFFERSON | 1803 | Sligo | New York |
| JEFFERSON | 1803 | Sligo | New York |
| JEFFERSON | 1804 | Ballyshannon | Philadelphia |
| JESSICA | 1851 | Liverpool & Cork | New York |
| JESSIE | 1834 | Belfast | Philadelphia |
| JOHN | 1862 | Galway | New York |
| JOHN BALKLEY | 1820 | Cork | Baltimore |
| JOHN BEGG | 1849 | Galway | Baltimore |
| JOHN BELL | 1849 | New Ross | Baltimore |
| JOHN BELL | 1849 | New Ross | Boston |
| JOHN CLIFFORD | 1847 | Galway | Boston |
| JOHN G. COSTER | 1847 | Liverpool | New Orleans |
| JOHN KERR | 1848 | Londonderry | Wilmington |
| JOHN R. SKIDDY | 1846 | Liverpool | New York |
| JOSEPH R. PRIM | 1848 | Limerick | New York |
| JOSEPHINE | 1827 | Belfast | New York |
| JOSEPHINE | 1834 | Sligo | New York |
| JUNIUS | 1846 | Liverpool | New York |
| JUNO | 1817 | Sligo | New London |
| JUNO | 1848 | Dublin | New York |
| JUPITER | 1811 | Belfast | New York |