The title of Earl of Lovelace was created in the Peerage of the United Kingdom in 1838.

The Earl bears the subsidiary titles of Viscount Ockham, of Ockham in the County of Surrey (1838), in the Peerage of the UK and Baron King, of Ockham in the County of Surrey (1725), in the Peerage of Great Britain.

Barons King (1725)

• Peter King, 1st Baron King (1669-1734)
• John King, 2nd Baron King (1706-1740)
• Peter King, 3rd Baron King (1709-1754)
• William King, 4th Baron King (1711-1767)
• Thomas King, 5th Baron King (1712-1779)
• Peter King, 6th Baron King (1736-1793)
• Peter King, 7th Baron King (1776-1833)
• William King, 8th Baron King (1805-1893) (became Earl of Lovelace in 1838)

Earls of Lovelace (1838)

• William King-Noel, 1st Earl of Lovelace (1805-1893)
• Ralph Gordon Noel King-Noel Milbanke, 2nd Earl of Lovelace (1839-1906)
• Lionel Fortescue King, 3rd Earl of Lovelace (1865-1929)
• Peter Malcolm King, 4th Earl of Lovelace (1905-1964)
• Peter Axel William Locke King, 5th Earl of Lovelace (b. 1951)

There is no heir to the Earldom.