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| Date from | Date to | Event | Source |
|---|---|---|---|
| 9.1735 | Entered the Navy | ODNB | |
| 28.9.1743 | Passed the Lieutenant's Examination ADM 107/3/503 | ODNB | |
| 9.11.1743 | Lieutenant | ADM 6/16 | |
| 22.4.1755 | Commander | CSORN | |
| 22.4.1755 | 23.3.1756 | Savage (8)
1750-1776 , Commander, and Commanding Officer ADM 6/18/159British 8 Gun Unrated Sloop | ODNB |
| 23.3.1756 | Captain | CSORN | |
| 23.3.1756 | 13.1.1758 | Tartar (24)
1756-1797 , Captain, and Commanding Officer ADM 6/18/245British 24 Gun 6th Rate Frigate | ODNB |
| 18.2.1757 | Tartar v Montrozier | ||
| 27.3.1757 | Tartar v Marie Victoire | ||
| 13.1.1758 | 5.3.1760 | Chatham (50)
1758-1814 , Captain, and Commanding Officer ADM 6/18/470British 50 Gun 4th Rate Ship of the Line 1810 Renamed "Tilbury" | BWAS-1714 |
| 3.7.1759 | Bombardment of Le Havre | ||
| 20.11.1759 | Battle of Quiberon Bay | ||
| 1760 | Changed his name to Lockhart Ross | ref:664 | |
| 5.3.1760 | 26.9.1761 | Bedford (64)
1741-1787 , Captain, and Commanding Officer ADM 6/19/143British 64 Gun 3rd Rate Ship of the Line 1767 Renamed "Bedford Hulk" | BWAS-1714 |
| 29.3.1761 | 11.6.1761 | Expedition against Belle-Isle | |
| 20.4.1761 | 14.4.1768 | Elected a Member of Parliament for Linlithgow Burghs | HPO |
| 14.4.1768 | 28.10.1774 | Elected a Member of Parliament for Lanarkshire | HPO |
| 19.9.1777 | 29.1.1779 | Shrewsbury (74)
1758-1783 , Captain, and Commanding Officer ADM 6/21/314British 74 Gun 3rd Rate Ship of the Line | BWAS-1714 |
| 27.7.1778 | 1st Battle of Ushant | ||
| 13.8.1778 | Succeeded as 6th Baronet Lockhart-Ross of Carstairs | ODNB | |
| 20.1.1779 | 19.3.1779 | Included in the list of captains receiving half-pay. | ADM 104 |
| 19.3.1779 | Rear-Admiral of the Blue | CSORN | |
| 5.1779 | 6.1779 | Romney (50)
1762-1804 , as Flag Officer, Rear-Admiral of the Blue, ADM 107/3/274British 50 Gun 4th Rate Ship of the Line | BWAS-1714 |
| 6.1779 | 8.1779 | Britannia (100)
1762-1825 , as Flag Officer, Rear-Admiral of the Blue, ADM 107/3/274British 100 Gun 1st Rate Ship of the Line 1812 Renamed "Princess Royal" 1812 Renamed "Saint George" 1819 Renamed "Barfleur" | BWAS-1714 |
| 8.1779 | 12.1781 | Royal George (100)
1756-1782 , as Flag Officer, Rear-Admiral of the Blue, ADM 107/3/274British 100 Gun 1st Rate Ship of the Line | BWAS-1714 |
| 8.1.1780 | Attack on the Caracas Convoy | ||
| 16.1.1780 | Battle of Cape St. Vincent | ||
| 26.9.1780 | Rear-Admiral of the Red | CSORN | |
| 12.1781 | 3.1783 | Bienfaisant (64)
1758-1814 , as Flag Officer, Rear-Admiral of the Red, ADM 107/3/274British 64 Gun 3rd Rate Ship of the Line | BWAS-1714 |
| 2.4.1782 | Appointed Commander-in-Chief — North Sea ADM 6/22/441 | ADM 6/22 | |
| 20.10.1782 | Battle of Cape Spartel | ||
| 24.9.1787 | Vice-Admiral of the Blue | CSORN |