Joseph Coolidge (1798–1879), who married Thomas Jefferson's granddaughter Ellen Wayles Randolph, was a partner of several trading companies, working most of his career overseas in the opium, silk, porcelain, and tea trades. He watched over his mother-in-law Martha Jefferson Randolph's interests and provided a home for her temporarily after Thomas Jefferson's death.
- Born
- 1798, October 30, 1798
- Died
- 1879, December 15, 1879
