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,
Earl Ligonier 19 July 1776 the earldom was revived when he was made Earl Ligonier, of Clonmell in the County of Tipperary, in the Peerage of Ireland. The titles became extinct on his death on 14 June 1782. Earl Ligonier Earl Ligonier was a title that was created twice in British history, once in the Peerage of Great Britain and once in the Peerage of Ireland. The first creation came in the Peerage of Great Britain on 10 September 1766 in favour of the French-born soldier Field Marshal John Ligonier. The peerage was created with normal remainder to the heirs male of