John Ingram Lockhart, of Sherfield House, near Romsey, Hampshire, and Great Haseley House, Oxfordshire, was the youngest son of three children of James Lockhart of Melchett Park, Wiltshire, and London, a partner in Lockhart, Wallace, and Co., bankers, Pall Mall; his mother was Mary Harriot Gray, of the Society of Friends.
He entered Lincoln's Inn 7 May 1783, studied 1786 to 1787 another year of law at Göttingen University[2] and was called to the bar on 14 June 1790.
At one point Lockhart was political agent for Henry Peters in the Oxford seat.
[4] In 1827, Lockhart purchased 210 acres in North-Marston, Buckingham belonging to yeoman William Flower, previously the property of Charles and Richard Watkins, of Daventry, Northampton (who held that estate in 1775).
Lockhart was married on 14 January 1804 to Mary Gilkes-Wastie, the only child and heir of Francis Wastie of Cowley (d.1775), and Great-Haseley House, and took the name of Wastie in lieu of Ingram-Lockhart by Act of Parliament 12 October 1831.