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| Date from | Date to | Event | Source |
|---|---|---|---|
| 6.8.1755 | Passed the Lieutenant's Examination ADM 107/4/317 | ref:898 | |
| 7.8.1755 | Lieutenant | CSORN | |
| 5.4.1757 | Commander | CSORN | |
| 5.4.1757 | 17.8.1757 | Albany (14)
1745-1763 , Commander, and Commanding Officer ADM 6/18/380British 14 Gun Unrated Sloop 1747 Renamed "Albany" | BWAS-1714 |
| 17.8.1757 | Captain | CSORN | |
| 17.8.1757 | 6.4.1761 | Shannon (28)
1757-1765 , Captain, and Commanding Officer ADM 6/18/429British 28 Gun 5th Rate Frigate | BWAS-1714 |
| 6.6.1758 | 27.7.1758 | The Siege of Louisbourg | |
| 6.4.1761 | 11.8.1762 | Isis (50)
1747-1766 , Captain, and Commanding Officer ADM 6/19/459British 50 Gun 4th Rate Ship of the Line Issued by Charles SaundersBritish Naval Sailor Marine Service 1727-1773 Confirmed 10.1.1763 | BWAS-1714 |
| 1769 | Resigned from the Navy | CSORN | |
| 9.12.1778 | 7.6.1796 | Elected a Member of Parliament for Nottinghamshire | HPO |
| 1788 | Took the name Pierrepont | HPO | |
| 23.7.1796 | Appointed 1st Viscount Pierrepont of Holme Pierrepont | PEER | |
| 23.7.1796 | Created 1st Baron Newark of Newark-on-Trent | PEER | |
| 9.4.1806 | Appointed 1st Earl Manvers | PEER |