The Earldom of Morley was created in 1815 in the Peerage of the United Kingdom. The Earl also holds the subsidiary titles of Viscount Borington (created 1815) and Baron Boringdon (1784).

Barons Boringdon (1784)

• John Parker, 1st Baron Boringdon (d. 1788)
• John Parker, 2nd Baron Boringdon (1772-1840) (became Earl of Morley in 1815)

Earls of Morley (1815)

• John Parker, 1st Earl of Morley (1772-1840)
• Edmund Parker, 2nd Earl of Morley (1810-1864)
• Albert Edmund Parker, 3rd Earl of Morley (1843-1905)
• Edmund Robert Parker, 4th Earl of Morley (1877-1951)
• Montagu Brownlow Parker, 5th Earl of Morley (1878-1962)
• John St Aubyn Parker, 6th Earl of Morley (b. 1923)