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| Date from | Date to | Event | Source |
|---|---|---|---|
| 11.12.1744 | Passed the Lieutenant's Examination | ref:898 | |
| 16.12.1744 | Lieutenant | CSORN | |
| 1747 | Passed the Lieutenant's Examination ADM 107/4/182 | RNLPC | |
| 13.3.1756 | Commander | CSORN | |
| 13.3.1756 | 14.8.1756 | Halifax (18)
1756-1756 , Commander, and Commanding Officer ADM 6/18/244British 18 Gun Unrated Sloop | ADM 6/18 |
| 4.4.1757 | Captain | CSORN | |
| 3.3.1758 | 30.6.1760 | Flamborough (20)
1756-1772 , Captain, and Commanding Officer ADM 6/18/491British 20 Gun 6th Rate Ship | BWAS-1714 |
| 5.6.1758 | 12.6.1758 | Raid on Saint-Malo | |
| 4.4.1760 | Action of 4 April 1760 | ||
| 30.6.1760 | 23.8.1760 | Quebec (32)
1760-1779 , Captain, and Commanding Officer ADM 6/19/178British 32 Gun 5th Rate Frigate | BWAS-1714 |
| 27.8.1760 | 20.2.1763 | Blonde (32)
1760-1782 , Captain, and Commanding Officer ADM 6/19/193British 32 Gun 5th Rate Frigate | BWAS-1714 |
| 9.4.1763 | 14.12.1765 | Coventry (28)
1757-1783 , Captain, and Commanding Officer ADM 6/19/480British 28 Gun 6th Rate Frigate | BWAS-1714 |
| 1.7.1766 | 15.2.1768 | Coventry (28)
1757-1783 , Captain, and Commanding Officer ADM 6/20/126British 28 Gun 6th Rate Frigate | ADM 6/20 |
| 11.1766 | 7.1767 | Appointed Commander-in-Chief — North America | E-WIKI |
| 1.1.1779 | 31.12.1779 | Included in the list of captains receiving half-pay. | ADM 104 |
| 18.12.1792 | Succeeded as 11st Earl of Cassilis | ref:719 | |
| 18.12.1792 | Succeeded as 13rd Lord Kennedy | PEER |