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| Date from | Date to | Event | Source |
|---|---|---|---|
| 28.6.1770 | Lieutenant ADM 6/20/282 | CSORN | |
| 18.9.1772 | Commander ADM 6/20/462 | CSORN | |
| 18.9.1772 | 21.2.1775 | Scorpion (14), Commander and Commanding Officer ADM 6/20/462 Issued by Sir Peter Denis (1st Baronet of St Mary's) (c.1713-1778) Commission confirmed 14.10.1772 | BWAS-1714 |
| 11.3.1775 | Captain ADM 6/21/79 | ADM 6/21 | |
| 11.3.1775 | 8.3.1776 | Romney (50), Captain and Commanding Officer ADM 6/21/79 | BWAS-1714 |
| 8.3.1776 | 22.2.1777 | Perseus (20), Captain and Commanding Officer ADM 6/21/168 | BWAS-1714 |
| 22.7.1780 | 1.1783 | Warwick (50), Captain and Commanding Officer ADM 6/22/153 | BWAS-1714 |
| 1781 | Elected Member of Parliament for Dunbartonshire, until 1790 | EWIKI | |
| 1.1793 | 9.1793 | Robust (74), Captain and Commanding Officer | BWAS-1714 |
| 12.4.1794 | Rear-Admiral of the Blue | CSORN | |
| 5.1794 | 8.1794 | Glory (98), as Flag Officer, Rear-Admiral | BWAS-1714 |
| 30.5.1794 | Appointed Companion of the Knight Companion of the Order of the Bath | TKE1 | |
| 1.6.1794 | Glorious 1st of June | ||
| 5.7.1794 | Rear-Admiral of the White | CSORN | |
| 8.1794 | 3.1795 | Barfleur (98), as Flag Officer, Rear-Admiral | ODNB |
| 4.1795 | 1797 | Monarch (74), as Flag Officer, Rear-Admiral of the White | BWAS-1714 |
| 1.6.1795 | Vice-Admiral of the Blue | CSORN | |
| 1796 | Elected Member of Parliament for Stirlingshire, until 1802 | EWIKI | |
| 1797 | Appointed Baron Keith | EWIKI | |
| 7.1797 | 1798 | Cumberland (74), as Flag Officer, Vice-Admiral of the Blue | BWAS-1714 |
| 11.10.1797 | Battle of Camperdown | ||
| 11.1798 | 4.1799 | Foudroyant (80), as Flag Officer, Vice-Admiral of the Blue | BWAS-1714 |
| 2.1799 | 8.1799 | Barfleur (98), as Flag Officer, Vice-Admiral | ODNB |
| 14.2.1799 | Vice-Admiral of the Red | CSORN | |
| 6.1799 | 17.3.1800 | Queen Charlotte (100), as Flag Officer, Vice-Admiral of the Red | BWAS-1714 |
| 11.1799 | 1802 | Appointed Commander-in-Chief — The Mediterranean Sea | EWIKI |
| 4.1800 | Audacious (74), as Flag Officer, Vice-Admiral of the Red | BWAS-1714 | |
| 1801 | 1802 | Foudroyant (80), as Flag Officer, Admiral of the Blue | BWAS-1714 |
| 1.1.1801 | Admiral of the Blue | CSORN | |
| 1803 | Ethalion (38), as Flag Officer, Admiral of the Blue | BWAS-1793 | |
| 1803 | 1807 | Appointed Commander-in-Chief — The Nore | EWIKI |
| 5.1803 | 1804 | Monarch (74), as Flag Officer, Admiral of the Blue | BWAS-1714 |
| 2.1805 | Ardent (64), as Flag Officer, Admiral of the Blue | BWAS-1793 | |
| 6.1805 | Saint Albans (64), as Flag Officer, Admiral of the Blue | BWAS-1714 | |
| 9.11.1805 | Admiral of the White | CSORN | |
| 1807 | Edgar (74), as Flag Officer, Admiral of the White | BWAS-1714 | |
| 31.7.1810 | Admiral of the Red | CSORN | |
| 1812 | 1814 | Appointed Commander-in-Chief — English Channel | EWIKI |
| 4.1812 | 1813 | Royal Sovereign (100), as Flag Officer, Admiral | BWAS-1714 |
| 5.1812 | Conquestador (74), as Flag Officer, Admiral of the White | BWAS-1793 | |
| 1814 | Appointed 1st Viscount Keith | EWIKI | |
| 1815 | Ville de Paris (110), as Flag Officer, Admiral of the White | BWAS-1793 | |
| 2.1.1815 | Appointed Knight Grand Cross of the Knight Grand Cross of the Order of the Bath | TKE1 |