Henry Ley, 2nd Earl of Marlborough (3 December 1595 – 1 April 1638), was an English hereditary peer and Member of Parliament.
[1] He was baptised on 3 December 1595, the eldest son of James Ley, 1st Earl of Marlborough, and his wife, Mary (née Petty) and educated in law at Lincoln's Inn in 1610.
He was a Member (MP) of the Parliament of England for Westbury in 1614 and 1624, for Devizes in 1621 and 1626 – 2 March 1626 and for Wiltshire in 1625.
In 1628, he entered the House of Lords by a writ of acceleration as Baron Ley.
[2] Ley married Mary, daughter of Sir Arthur Capell of Hadham, by whom he had two children: