| unknown | Ship Details | |
| 1788 | Departed on a Voyage to North America (Captained by McDowal, Samuel) | LL, 3 Feb 1789; BT98/49,76 |
| 1789 | Returned from a Voyage to North America (Captained by McDowal, Samuel) | LL, 3 Feb 1789; BT98/49,76 |
| 1789 | Departed on a Voyage to North America (Captained by McDowal. Samuel) | LL, 21 July 1789; BT98/49,241 |
| 1789 | Returned from a Voyage to North America (Captained by McDowal. Samuel) | LL, 21 July 1789; BT98/49,241 |
| 1789 | Departed on a Voyage to North America (Captained by McDowal, John ) | BT98/51,123 |
| 1791 | Returned from a Voyage to North America (Captained by McDowal, John ) | BT98/51,123 |