In 1739, he wrote, Considerations upon the Institution of Marriage, with some thoughts concerning the force and obligation of the marriage contract, wherein is considered how far divorces may or may not be allowed, By a Gentleman.
Lord Warrington died on 2 August 1758, and was buried in the Booth Chapel, the family vault, at Bowdon Church, 3 miles (4.8 km) from Dunham Massey Hall.