By ship name
| Ship | Year | Origin | Destination |
| R H DOUGLASS | 1847 | Londonderry | Baltimore |
| RACHEL | 1803 | Sligo | New York |
| RACHEL | 1803 | Sligo | New York |
| RADIUS | 1811 | Cork | New York |
| RAJAH | 1851 | Cork | New York |
| RAJAH | 1852 | Liverpool | New York |
| REPUBLIC | 1881 | Queenstown | New York |
| RIVERDALE | 1851 | Belfast | New York |
| ROBERT CORNLEY | 1855 | Queenstown | New York |
| ROBERT FOULTON | 1820 | Belfast | Charleston |
| ROBT ALEXANDER PARK | 1848 | Galway | New York |
| RODERICK DHU | 1852 | Liverpool | New York |
| ROLINA | 1851 | Glasgow | New York |
| ROMONA | 1847 | Dublin | New Orleans |
| ROSCIUS | 1847 | Roscommon | New York |