Viscounts Falmouth in the Peerage of Great Britain (1720)
Earls of Falmouth in the Peerage of the United Kingdom (1821-1852)
Barons le Despencer in the Peerage of England (1264/1295, from 1891)
Viscounts Falmouth
- Hugh Boscawen, 1st Viscount Falmouth, Baron Boscawen-Rose (c. 1680–1734)
- Hugh Boscawen, 2nd Viscount Falmouth (1707–1782)
- George Evelyn Boscawen, 3rd Viscount Falmouth (1758–1808)
- Edward Boscawen, 4th Viscount Falmouth, 1st Earl of Falmouth (1787–1841)
- George Henry Boscawen, 2nd Earl of Falmouth (1811–1852)
- Evelyn Boscawen, 6th Viscount Falmouth (1819–1889) married Mary Frances Elizabeth Boscawen neé Stapleton, 17th Baroness le Despencer.
Viscounts Falmouth and Barons le Despencer
- Evelyn Edward Thomas Boscawen, 7th Viscount Falmouth, 18th Baron le Despencer (1847–1918)
- Evelyn Hugh John Boscawen, 8th Viscount Falmouth(1887–1962)
- George Hugh Boscawen, 9th Viscount Falmouth (b. 1919)
Baron le Despencer in the Peerage of England (1264/1295)
- Hugh le Despencer, 1st Baron le Despencer (1223–1265) (now considered to predate the hereditary baronage)
- Hugh le Despencer, 1st/2nd Baron le Despencer, 1st Earl of Winchester (1262–1326) (attainted 1326)
- Mary Nevill, later Fane, 7th Baroness le Despenser (1554–1626) (abeyance terminated 1604)
- Francis Fane, 1st Earl of Westmorland, 8th Baron le Despencer (1580–1629)
- Mildmay Fane, 2nd Earl of Westmorland, 9th Baron le Despencer (1602–1666)
- Charles Fane, 3rd Earl of Westmorland, 10th Baron le Despencer (1635–1691)
- Vere Fane, 4th Earl of Westmorland, 11th Baron le Despencer (1645–1693)
- Vere Fane, 5th Earl of Westmorland, 12th Baron le Despencer (1678–1699)
- Thomas Fane, 6th Earl of Westmorland, 13th Baron le Despencer (1683–1736)
- John Fane, 7th Earl of Westmorland, 14th Baron le Despencer (1685–1762) (abeyant 1762)
- Francis Dashwood, 15th Baron le Despencer(1708–1781) (abeyance terminated 1763; abeyant 1781), son of Lady Mary Fane, daughter of 4th Earl of Westmorland.
- Thomas Stapleton, 16th Baron le Despencer (1766–1831) (abeyance terminated 1788), great great grandson of Vere Fane, 5th Earl of Westmorland, 12th Baron le Despencer.
- Mary Frances Elizabeth Boscawen neé Stapleton, 17th Baroness le Despencer (1822–1891)
- Evelyn Edward Thomas Boscawen, 7th Viscount Falmouth, 18th Baron le Despencer (1847–1918)
- Evelyn Hugh John Boscawen, 8th Viscount Falmouth, 19th Baron le Despencer (1887–1962)
- George Hugh Boscawen, 9th Viscount Falmouth, 20th Baron le Despencer (b. 1919)