Field Jefferson (March 16, 1702 - February 10, 1765) was Thomas Jefferson's uncle, the older brother of his father, Peter Jefferson.[1] He was the third child of Thomas Jefferson (1677-1731) and Mary Field Jefferson (1679-1715).

Field Jefferson's first wife is believed to have been named Mary Frances Robertson (1706-1750). They had nine children:[2]

  • Thomas Jefferson (1733-1783)
  • Peterfield Jefferson (1735-1794)
  • Elizabeth Jefferson (1736-?)
  • Frances Jefferson (1738-1766)
  • George Jefferson (1739-1780)
  • Mary Jefferson (1740-?)
  • Judith Jefferson (1741-?)
  • John Robertson Jefferson (1742-1809)
  • Phoebe Jefferson (1743-1830) m. Alexander Clark[3]

Field Jefferson married a second time in 1753. No children were born to Field and his second wife, Mary Allen "of Albemarle County."[4]


  1. ^ Birth and death dates for Field are given in a Jefferson family Bible originally belonging to Field's father, Thomas Jefferson (1677-1731), and published in Genealogies of Virginia Families: From Tyler's Quarterly Historical and Genealogical Magazine (Baltimore: Genealogical Pub. Co., 1981), 2:450-55.
  2. ^ The information on Field Jefferson's children comes from a genealogical chart provided to the Thomas Jefferson Foundation by a descendant. It is believed to be accurate but has not been independently confirmed unless otherwise noted.
  3. ^ See Elizabeth Shown Mills, "A Husband for Phoebe Jefferson," Virginia Genealogist vol. 29, no. 2 (1985): 83-104.
  4. ^ See Landon C. Bell, "Field Jefferson's Second Wife," Tyler's Quarterly 13 (1931): 15-23.