Conversation so far:
Where did Guy Carleton reside post-war?
Quebec
What did Guy Carleton do in Quebec?
Guy Carleton was appointed Governor-in-chief.
Did Guy Carleton do anything notable while Governor-in-chief?
Guy Carleton was mostly ignored.
What did Guy Carleton do after his position as Governor-in-chief?
Guy Carleton was raised to the Peerage in August 1786 as Lord Dorchester, Baron of Dorchester in the County of Oxford.
How long was Guy Carleton in Quebec?
Until 1792
Did Guy Carleton hold any positions after his time in the House of Lords?
Guy Carleton left for Canada again on 18 August 1793 to resume his duties there.
Did Guy Carleton stay in Canada for long?
On 9 July 1796 Guy Carleton sailed from Canada to Britain, never to return.

Question: Did he die in Britain?
Self-contained rewrite: Did Guy Carleton die in Britain?