His eldest son, the third Earl, was also a Tory politician. He succeeded his father as Treasurer of the Household and was also Captain of the Honourable Band of Gentlemen Pensioners for many years. He was succeeded by his third but eldest surviving son, the fourth Earl. He represented County Wexford in the House of Commons as a Tory. His only son from his first marriage, the fifth Earl, served as a Deputy Lieutenant of County Wexford. He was succeeded by his eldest son, the sixth Earl. He was Lord Lieutenant of County Wexford. His eldest son, the seventh Earl, was a Major-General in the Army and served as Deputy Assistant Adjutant-General at the War Office from 1941 to 1947. As of 2007 the titles are held by the latter's grandson, the ninth Earl, who succeeded his father in 1975. Lord Courtown is one of the ninety elected hereditary peers that remain in the House of Lords after the passing of the House of Lords Act 1999, and sits as a Conservative.
Several other members of the Stopford family have also gained distinction, especially in the Army and Royal Navy. The Hon. Edward Stopford (1732-1794), second son of the first Earl, was a Lieutenant-General in the Army. His son William Henry Stopford-Blair (1788-1868) was a Colonel in the Royal Artillery. The Hon. Sir Edward Stopford (1766-1837), second son of the second Earl, was a Lieutenant-General in the Army. The Hon. Sir Robert Stopford, third son of the second Earl, was an Admiral of the Red. His eldest son Robert Fanshawe Stopford (1811-1891) was an Admiral in the Royal Navy and was the father of 1) Robert Wilbraham Stopford (1844-1911), a Vice-Admiral in the Royal Navy, 2) Arthur Bouverie Stopford (1845-1902), a Colonel in the Royal Artillery and 3) Frederick George Stopford (1852-1928), a Vice-Admiral in the Royal Navy; while his second son James John Stopford (1817-1868) was a Vice-Admiral in the Royal Navy. Reverend the Hon. Richard Bruce Stopford (1774-1844), fourth son of the second Earl, was Canon of Windsor and Chaplain to Her Majesty Queen Victoria.
The Hon. Sir Montagu Stopford (1798-1864), fifth son of the third Earl, was a Vice-Admiral in the Royal Navy. His youngest son Sir Lionel Arthur Montagu Stopford (1860-1942) was a Colonel and Honorary Major-General in the Derby Regiment and Irish Guards. His eldest son Sir Montagu George North Stopford was a General in the Rifle Brigade. The Hon. Sir Frederick William Stopford, second son from the second marriage of the fourth Earl, was a Lieutenant-General in the Army. The Hon. Walter George Stopford (1855-1918), third son from the second marriage of the fourth Earl, was a Rear-Admiral in the Royal Navy. The Hon. Arthur Stopford (1879-1955), second son of the sixth Earl, was a Vice-Admiral in the Royal Navy.
The Heir Apparent is the present holder's son James Richard Ian Montagu Stopford, Viscount Stopford (b. 1988)