Background
John was the first of three sons of Joseph Damer, 1st Earl of Dorchester by the Lady Caroline Sackville daughter of Lionel Cranfield Sackville, 1st Duke of Dorset and of Elizabeth Colyear his wife daughter of Lieutenant-General Walter Philip Colyear brother to David Colyear, 1st Earl of Portmore.
Education
Damer was educated at Eton (1755-1761) and Trinity College, Cambridge (1762).
Career
Lionel Damer and the George Damer, 2nd Earl of Dorchester. Damer got heavily into debt and his father refused to help him financially. He shot himself on 15 August 1776 at the Bedford Arms, Covent Garden.
Membership
13th Parliament of Great Britain]
Damer was the Member of Parliament for Gatton 1768–1774.