The Earl holds the subsidiary titles of Viscount Petersham (1742) and Baron Harrington (1730), both in the Peerage of Great Britain.
Earls of Harrington (1742) William Stanhope, 1st Earl of Harrington (1683-1756) William Stanhope, 2nd Earl of Harrington (1719-1779) Charles Stanhope, 3rd Earl of Harrington (1753-1829) Charles Stanhope, 4th Earl of Harrington (1780-1851) Leicester FitzGerald Charles Stanhope, 5th Earl of Harrington (1784-1862) Seymour Sydney Hyde Stanhope, 6th Earl of Harrington (1845-1866) Charles Wyndham Stanhope, 7th Earl of Harrington (1809-1881) Charles Augustus Stanhope, 8th Earl of Harrington (1844-1917) Dudley Henry Eden Stanhope, 9th Earl of Harrington (1859-1928) Charles Joseph Leicester Stanhope, 10th Earl of Harrington (1887-1929) William Henry Leicester Stanhope, 11th Earl of Harrington (1922-1993) Charles Henry Leicester Stanhope, 12th Earl of Harrington (b. 1945)
