| Date from | Date to | Event | Source |
|---|---|---|---|
| 1692 | Passed the Lieutenant's Examination ADM 107/1/13 | RNLPC | |
| bef.14.2.1694/95 | Lieutenant | ADM 6/3 | |
| 14.2.1694/95 | 12.11.1699 | Anglesea (50)
1694-1719 , First Lieutenant ADM 6/3/36British 50 Gun 4th Rate Ship of the Line | ADM 6/3 |
| 16.7.1698 | Court Martial : William Cock, Lieutenant, HMS Anglesea. Crime: Abusing and forcing a woman. Verdict: Acquitted. | ADM 1 | |
| 13.11.1699 | Captain | CSORN | |
| 13.11.1699 | 5.10.1700 | Harwich (54)
1695-1700 , Captain, and Commanding Officer ADM 6/6/113British 54 Gun 4th Rate Ship of the Line Confirmed 8.9.1701 | BWAS-1603 |
| 29.9.1701 | Court Martial : William Cock, Captain, HMS Harwich. Crime: Loss of ship. Verdict: Acquitted. | ADM 1/5262 | |
| 6.3.1701/2 | 12.4.1702 | Phoenix (28)
1694-1709 , Captain and Master, and Commanding Officer ADM 6/7/16British 28 Gun 5th Rate Fireship | ADM 6/7 |
| 13.4.1702 | 16.1.1702/3 | Ludlow (32)
1698-1703 , Captain, and Commanding Officer ADM 6/7/29British 32 Gun 5th Rate Frigate | BWAS-1603 |
| 7.8.1703 | 17.10.1708 | Dartmouth (54)
1698-1714 , Captain, and Commanding Officer ADM 6/8/10British 54 Gun 4th Rate Ship of the Line | BWAS-1603 |
| 18.10.1708 | 22.9.1710 | Medway (64)
1693-1716 , Captain, and Commanding Officer ADM 6/9/190British 64 Gun 4th Rate Ship of the Line | BWAS-1714 |
| 6.3.1710/11 | 6.11.1712 | Bredah (70)
1692-1730 , Captain, and Commanding Officer ADM 6/11/117British 70 Gun 3rd Rate Ship of the Line | BWAS-1714 |
| 10.3.1712/13 | 10.12.1714 | Bedford (70)
1698-1736 , Captain, and Commanding Officer ADM 6/11/249British 70 Gun 3rd Rate Ship of the Line | BWAS-1714 |
| 1715 | Dismissed from the Navy | CSORN |