He was the second son of the 2nd Marquess of Waterford, but became heir apparent to the Marquessate on the death of his elder brother, George Beresford, Earl of Tyrone, in 1824.
Waterford | Charles Cornwallis, 1st Marquess Cornwallis | Robert Gascoyne-Cecil, 3rd Marquess of Salisbury | Marquess | Charles Lennox, 2nd Duke of Richmond | County Waterford | Robert Devereux, 2nd Earl of Essex | Hugh Grosvenor, 2nd Duke of Westminster | Edward Harley, 2nd Earl of Oxford and Earl Mortimer | 2nd United States Congress | Michigan's 2nd congressional district | 2nd | William Petty, 2nd Earl of Shelburne | William Lamb, 2nd Viscount Melbourne | Hugh Percy, 2nd Duke of Northumberland | Francis Rawdon-Hastings, 1st Marquess of Hastings | Richard Wellesley, 1st Marquess Wellesley | Marquess of Bute | George Villiers, 2nd Duke of Buckingham | Wills Hill, 1st Marquess of Downshire | Waterford, Wisconsin | James Broun-Ramsay, 1st Marquess of Dalhousie | David Cecil, 6th Marquess of Exeter | Charles Cochrane-Baillie, 2nd Baron Lamington | Waterford, Connecticut | Walter Rothschild, 2nd Baron Rothschild | Thomas Holland, 2nd Earl of Kent | Robert Grosvenor, 1st Marquess of Westminster | Henry Paget, 1st Marquess of Anglesey | Frederick Hervey, 8th Marquess of Bristol |