The titles of Viscount Clare and Baron Nugent, of Carlanstown in the county of Westmeath, in the Peerage of Ireland, were conferred upon The Right Honourable Robert Craggs-Nugent, the First Lord of Trade, on 19 January1767. On 21 July1776, he was further created Earl Nugent, also in the Peerage of Ireland, with a special remainder, failing the heirs male of his body, to his son-in-law George Grenville, of Wotton, Buckinghamshire, and the heirs male of his body. He died 13 October1788, when his Viscountcy and Barony became extinct, and the Earldom, under the terms of the special remainder, passed to his son-in-law, now Marquess of Buckingham. The earldom remained in his family until the death of the fifth Earl Nugent, also 3rd Duke of Buckingham and Chandos, on the 26 March1889.
The title of Baroness Nugent, of Carlanstown in the county of Westmeath, in the Peerage of Ireland, was again created for Mary Elizabeth, daughter of the first Earl Nugent, and wife of the 1st Marquess of Buckingham (and 2nd Earl Nugent), on 26 December1800, with a special remainder to her second son Lord George Nugent-Grenville. She died 16 March1812, when her barony passed in accordance with the special remainder to her son, who became 2nd Baron Nugent. He died 26 November1850, when the title became extinct.
The title of Baron Nugent, of West Harling in the county of Norfolk, was created 22 August1960 in the Peerage of the United Kingdom for Terence Edmund Gascoigne Nugent. He died 27 April1973, when the title became extinct.
