He was the son of
John Proby, of
Elton Hall,
Huntingdonshire, and his wife Jane, daughter of
John Leveson-Gower, 1st Baron Gower. He was educated at
Jesus College, Cambridge. Proby was returned to Parliament for
Stamford in 1747, a seat he held until 1754, and then represented
Huntingdonshire from 1754 to 1768. Carysfort served as a
Lord of the Admiralty under the
Duke of Devonshire in 1757 and under
George Grenville from 1763 to 1765. In 1752 he was raised to the
Peerage of Ireland as
Baron Carysfort, of
Carysfort in the County of Wicklow, and in 1758 he was admitted to the
Irish Privy Council. In 1761 he was further honoured when he was made a
Knight of the Order of the Bath. Lord Carysfort died in October 1772, aged 51, and was succeeded in the barony by his son
John, who was created
Earl of Carysfort in 1789. Lady Carysfort died in March 1783, aged 60. was the first ship named in his honour following his service as Lord of the Admiralty. In 1941, was named in his honour as the fifth Royal Navy warship to carry the name Carysfort. ==Family==