| Honorific Prefix: | The Right Honourable |
| The Countess De La Warr | |
| Countess of De La Warr Baroness Buckhurst | |
| Birth Name: | Lady Elizabeth Sackville |
| Birth Date: | 11 August 1795 |
| Birth Place: | Knole, Kingdom of Great Britain |
| Death Place: | United Kingdom of Great Britain and Ireland |
| Burial Date: | January 1870 |
| Burial Place: | St Michael and All Angels, Withyham |
| Issue: | George West, Viscount Cantelupe Charles Sackville-West, 6th Earl De La Warr Reginald Sackville, 7th Earl De La Warr Elizabeth Russell, Duchess of Bedford Mortimer Sackville-West, 1st Baron Sackville Mary Stanley, Countess of Derby Lionel Sackville-West, 2nd Baron Sackville William Sackville Arabella Bannerman, Lady Bannerman |
| Father: | John Sackville, 3rd Duke of Dorset |
| Mother: | Arabella Cope, Duchess of Dorset |
Elizabeth Sackville-West, Countess De La Warr and 1st Baroness Buckhurst (11 August 1795 – 9 January 1870), was a British peeress.
The Countess De La Warr was born Lady Elizabeth Sackville on 11 August 1795. She was the youngest daughter of John Sackville, 3rd Duke of Dorset, and his wife, the former Arabella Diana Cope.[1] Her only brother George became the 4th Duke of Dorset and her sister, Lady Mary Sackville, married twice, first to Other Windsor, 6th Earl of Plymouth and secondly to William Amherst, 1st Earl Amherst.[1]
Her father served as a Member of Parliament for Kent, a Privy Councillor and British Ambassador to France in Paris from 1783 to 1789 before serving as Lord Steward of the Household from 1789 to 1799.[1] Her paternal grandparents were Lord John Philip Sackville (second son of 1st Duke of Dorset) and the former Lady Frances Leveson-Gower.[1] Her mother was the eldest daughter and coheiress of Sir Charles Cope, 2nd Baronet and Catherine Bisshopp (the sister of Cecil Bisshopp, 12th Baron Zouche).[1]
On 21 June 1813 she married George Sackville-West, 5th Earl De La Warr, the only son of John West, 4th Earl De La Warr, the former Catherine Lyell.[2] Lord De La Warr served as Lord Chamberlain of the Household under Sir Robert Peel between 1841 and 1846 and under Lord Derby between 1858 and 1859, and was sworn of the Privy Council in 1841. Together, they had ten children, nine of whom lived to maturity, including:
Lady De La Warr died on 9 January 1870. She was buried at St Michael and All Angels Churchyard in Withyham, East Sussex.
On 27 April 1864, Lady De La Warr was created Baroness Buckhurst, of Buckhurst in the County of Sussex, by Queen Victoria with a special remainder to her second surviving son, Reginald and the heirs male of his body.[3] Failing him, to her third and fourth son and their heirs male with a remainder that if any of the heirs inherited the barony and the earldom of De La Warr, then the barony should pass to a younger brother or younger son of the heirs male.[4] The patent was worded to prevent the barony and earldom being held by the same person. However, when Reginald inherited the barony in 1870 and subsequently the earldom in 1873, his brother, Mortimer, tried to make a claim to the barony, but the House of Lords deemed the remainders invalid. Mortimer was instead created Baron Sackville as a consolation.[5]