Charles Dillon-Lee, 12th Viscount Dillon, KP, PC (Ire) (1745–1813) conformed to the established religion in 1767 and inherited Ditchley in England from his mother.

Henry Dillon, 11th Viscount Dillon (1705–1787) was an Irish peer and a soldier in French service. He was the colonel proprietor of Dillon's Regiment, an Irish regiment of foot in French service, in 1741–1744 and again in 1747–1767. In the War of the Polish Succession (1733–1735), he fought at the sieges of Kehl and Philippsburg. In the War of the Austrian Succession (1740–1748), he was present at the Battle of Dettingen in 1743, on the French side, while King George II was present on the English side.