Earl of Londonderry extinct on the death of his great-grandson, the fourth Earl, in 1714. The second creation came in 1726 in favour of the soldier and politician Thomas Pitt, 1st Baron Londonderry. He had already been created Baron Londonderry in 1719 and was made Viscount Gallen-Ridgeway at the same time as he was granted the earldom, also in the Peerage of Ireland. He was the husband of Lady Frances Ridgeway, daughter and heiress of the fourth Earl of the first creation. A member of the prominent Pitt family, he was the uncle of William Pitt, 1st Earl of Chatham. His younger son,
Francis Godolphin, 2nd Earl of Godolphin humourist Messenger Monsey, for whom he obtained the position of physician to Royal Chelsea Hospital. He died at his house in the Stable Yard, St James's on 17 January 1766, and was buried in Kensington Church on 25 January, when the earldom of Godolphin, viscounty of Rialton, and barony of Godolphin of Rialton became extinct; the barony of Godolphin of Helston devolved upon his cousin Francis Godolphin, 2nd Baron Godolphin of Helston. Francis Godolphin, 2nd Earl of Godolphin Francis Godolphin, 2nd Earl of Godolphin, (3 September 167817 January 1766) was an English nobleman, courtier and philanthropist, styled Viscount Rialton 1706–1712.