Parents
- George Montagu (1622 - 1681)
- Elizabeth Irby (1624 - 1684)
Family
- Married with Anne Yelverton (c. 1628 - 1698), without issue.
- Relationship with Catherine Barton (1679 - 1739)
Occupations
- first lord of the Treasury
- chancellor of the Exchequer of England (1694 - 1699)
- lord-lieutenant of Surrey
- privy counsellor
- member of parliament
- president of the Royal Society
- auditor of the Exchequer
- poet
- commissioner of the Treasury (1692 - 1694)
Distinctions
- most noble order of the Garter
- fellowship of the Royal Society