Sir Dunbar Plunket Barton, 1st Baronet PC (29 October 1853 – 11 September 1937) was an Irish politician, author and judge. He was the eldest son of the magistrate Thomas Henry Barton, a younger son of Dunbar Barton of Rochestown, County Tipperary, who was High Sheriff of Tipperary in 1810. Barton was descended from Chief Justice Charles Kendal B...