Marquess of Lansdowne - Marquesses of Lansdowne (1784)

Marquesses of Lansdowne (1784)

• William Petty, 1st Marquess of Lansdowne (1737–1805)
• John Henry Petty, 2nd Marquess of Lansdowne (1765–1809)
• Henry Petty-Fitzmaurice, 3rd Marquess of Lansdowne (1780–1863)
  • William Thomas Petty-FitzMaurice, Earl of Kerry (1811–1836)
• Henry Petty-Fitzmaurice, 4th Marquess of Lansdowne (1816–1866)
• Henry Charles Keith Petty-FitzMaurice, 5th Marquess of Lansdowne (1845–1927)
• Henry William Edmund Petty-FitzMaurice, 6th Marquess of Lansdowne (1872–1936)
  • Henry Maurice John Petty-Fitzmaurice, Earl of Kerry (1913–1933)
• Charles Hope Petty-FitzMaurice, 7th Marquess of Lansdowne (1917–1944)
• George John Charles Mercer Nairne Petty-FitzMaurice, 8th Marquess of Lansdowne (1912–1999)
• Charles Maurice Petty-FitzMaurice, 9th Marquess of Lansdowne (b. 1941)

The heir apparent is the present holder's elder son Simon Henry George Petty-Fitzmaurice, Earl of Kerry (b. 1970).