Mary Osborne
- Born on August 14, 1688
- Deceased on February 4, 1722, at the age of 33 years
Family
- Married on September 14, 1711 in London, at Wimbledon, with Henry Somerset (1684 - 1714), Duke of Beaufort, privy counsellor, member of the House of Lords, without issue.
- Married on October 15, 1715, with John Cochrane (1687 - 1720), colonel, without issue.