he was made Earl of Dartrey, of Dartrey in the County of Monaghan, also in the Peerage of the United Kingdom. He was succeeded by his eldest son, the second Earl. He sat as Member of Parliament for County Monaghan from 1865 to 1868. He died without surviving male issue and was succeeded by his youngest brother, the third Earl. He married Mary, 24th Baroness de Ros. Their eldest daughter Una succeeded her mother in the barony of de Ros (see the Baron de Ros for further history of this title). Lord Dartrey had two other daughters but no sons and on his death in 1933 all his titles became extinct. Several other members of the Dawson family also gained distinction. Lucius Henry Dawson (died 1795), nephew of the first Viscount and uncle of the second Baron, was a captain in the Royal Navy. Thomas Vesey Dawson, also a nephew of the first Viscount and uncle of the second Baron, was Dean of Clonmacnoise. Thomas Vesey Dawson (1819–1854), second son of the second Baron, was a lieutenant-colonel in the Coldstream Guards and fought in the Crimean War, where he was killed in action at the Battle of Inkerman in 1854. His eldest son Vesey John Dawson was a major-general in the army, while his second son Douglas Dawson was a brigadier-general in the army as well as comptroller of the Lord Chamberlain's Department. Edward Stanley Dawson (1843–1919), second son of the first Earl, was a captain in the Royal Navy. Viscounts Cremorne (1785); Barons Cremorne (1797) Thomas Dawson, 1st Viscount Cremorne, 1st Baron Cremorne (1725–1813) Richard Dawson (died 1778) Thomas Dawson (c. 1771 – 1787) Barons Cremorne (1797) Richard Dawson, 2nd Baron Cremorne (1788–1827) Richard Dawson, 3rd Baron Cremorne (1817–1897; created Earl of Dartrey in 1866) Earls of Dartrey (1866) Richard Dawson, 1st Earl of Dartrey (1817–1897) Vesey Dawson, 2nd Earl of Dartrey (1842–1920) Richard George Dawson (1890–1894) Anthony Lucius Dawson, 3rd Earl of Dartrey (1855–1933) See also Baron de Ros References The Peerage website (Lundy) History of the Dawson family Extinct earldoms in the Peerage of the United Kingdom Noble titles created in 1866