Baron Hemphill

Baron Hemphill, of Rathkenny and of Cashel in the County of Tipperary, is a title in the Peerage of the United Kingdom. It was created on 12 January 1906 for the lawyer and Liberal politician Charles Hemphill, Solicitor-General for Ireland between 1892 and 1895. His elder son, the second Baron, was Crown Prosecutor for County Wicklow. He was succeeded by his younger brother, the third Baron. He was Deputy Chairman of the London County Council from 1907 to 1908. The fifth Baron, who succeeded his father in 1957, assumed by deed poll in 1959 the additional surname of Martyn, which was the maiden name of his father's mother, a first cousin of Edward Martyn. As of 2017^[update] the title is held by the latter's son, the sixth Baron, who succeeded his father in 2012.

The family seat is Raford House, near Kiltullagh, County Galway, in Ireland.^{[citation needed]}

The heir apparent is the present holder's elder son, the Hon. Richard Patrick Lumley Martyn-Hemphill (b. 1990)