James Bartholomew Radclyffe, 4th Earl of Newburgh and titular 6th Earl of Derwentwater was a British nobleman, Earl of Newburgh in the Peerage of Scotland and titular Earl of Derwentwater in the Peerage of England.
- Citizenship
- Kingdom of Great Britain
- Born
- August 23, 1725
- Died
- January 2, 1787