Background
Caryll was the eldest son of the Honourable John Caryll (28 December 1687 – 6 April 1718), who predeceased his father, the 2nd Baron Caryll.
Caryll was the eldest son of the Honourable John Caryll (28 December 1687 – 6 April 1718), who predeceased his father, the 2nd Baron Caryll.
He entered the household in Rome of the so-called "Young Pretender", the exiled Stuart claimant, recognised by Jacobites as "King Charles III". Charles Edward Stuart appointed Caryll his Secretary of State and made him a Knight of the Thistle. Caryll returned to France in 1777 and died at Dunkirk on 7 March 1788.