The title of Marquess Camden was created in the Peerage of the United Kingdom in 1812 for John Jeffreys Pratt, 2nd Earl Camden. The Earl Camden title was created in 1786 in the Peerage of Great Britain

The Marquess at present holds the subsidiary titles of Earl Camden (1786), Earl of Brecknock (1812), Viscount Bayham (1786), and Baron Camden (1765), all but the Earldom of Brecknock in the Peerage of Great Britain.

Earls Camden (1786)

• Charles Pratt, 1st Earl Camden (1713-1794)
• John Jeffreys Pratt, 2nd Earl Camden (1759-1840) (became Marquess Camden in 1812)

Marquesses Camden (1812)

• John Jeffreys Pratt, 1st Marquess Camden (1759-1840)
• George Charles Pratt, 2nd Marquess Camden (1799-1866)
• John Charles Pratt, 3rd Marquess Camden (1840-1872)
• John Charles Pratt, 4th Marquess Camden (1872-1943)
• John Charles Henry Pratt, 5th Marquess Camden (1899-1983)
• David George Edward Henry Pratt, 6th Marquess Camden (b. 1930)