| Authorised form of name | Cowper; William Clavering (1709 - 1764); 2nd Earl Cowper |
| Dates | 1709 - 1764 |
| Date of birth | 1709 |
| Date of death | 18 September 1764 |
| Membership category | Fellow |
| Date of election | 11/05/1732 |
| Source | Sources:
Bulloch's Roll |
| Code | NA3695 |
Archives associated with this Fellow
| RefNo | Title | Date |
| MS/790/31 | Letter from William Clavering-Cowper, 2nd Earl Cowper, London, to [Martin Folkes] | 22 February 1741 |
| MS/790/30 | Letter from William Clavering-Cowper, 2nd Earl Cowper, Moat, near Canterbury, to [Martin Folkes] | 16 February 1741 |
| L&P/3/85 | Letter, 'Of the water in Gowland's pond near Durham on Nov 1, as observed at Reading' from Spencer Cowper to William Clavering Cowper | 1755 |
| L&P/3/68 | Letter, 'Of the earthquake' from Spencer Cowper? to William Clavering Cowper | 30 November 1755 |