Sir John Douglas, 3rd Baronet came from a junior branch of the Douglas family and was related to the Dukes of Queensberry. In 1741, he was elected Member of Parliament for Dumfriesshire, a borough controlled by the Queensberry interest.
- Occupation
- politician
- Position held
- member of the 9th Parliament of Great Britain
- Born
- 1700
- Died
- November 13, 1778