The following families share a surname with Thomas Jefferson, and often have an oral history of being related to him. However, no evidence has been found of their connection.
Jeffersons in Maryland
- Benjamin Jefferson (d. 1788), Calvert or Montgomery County, Maryland, m. Ann Wood
- Hamilton Jefferson (1769-1821) m. 1798 Judith Whiting; died Jefferson County.
- Hamilton Jefferson (d. 1844) m. 1826 Ann Sophia Kountz in Frederick, Maryland
- Frances Ann Jefferson (1830-1914) m. 1853 Philip H. Raiford. Frances Ann Jefferson was born in Charles Town, West Virginia and claimed to be a great-grandniece of President Jefferson.
- Leonard Jefferson (1778-1853) m. 1806 Barbara Nichols
- John Jefferson (1821-1894) m. Harriet Gibson
- Elizabeth Jefferson
Jeffersons in New England
- Thomas Jepherson m. Susann Bullard
- Joseph Jepherson (c1730-1769) m. Mehitable Cummings (1730-?) of Massachusetts
- Joseph Jefferson (1751/9-1813) m. Ruth Emerson (1758-1845) of Rochester, Vermont
- Joseph Jefferson (1783-1846) m. Clarissa Pettit; moved to Indiana in 1832, then to Des Plaines, Illinois
- Luther Jefferson
- Hiram Jefferson
- Daniel Jefferson
- [many other children]
- Horace Jefferson (1795-1825)
- 7 other children
- Jeremiah Jefferson m. ?
- Nancy Jefferson (1795-?) m. Bazil Bachelor; Nancy born in Rutland County, Vermont
- John Jefferson m. Lucy Andrews (John was a Revolutionary War veteran, born Sumter County, South Carolina, still alive in 1803)
- Elizabeth Jefferson (1799-1872), lived in Sumter County, South Carolina, m. Charnick Tharp
- John Jefferson (1769-1831) m. ca. 1792 Elizabeth Zimmerman (1765-1850); they moved ca. 1809 from Alexandria to Ohio County (now Moundsville), West Virginia. Family has strong tradition of descent from Field Jefferson.
- James Jefferson (1793-1874) m. Jerniah Freeland
- Robert Jefferson (1783-1875) m. Sarah Harris of Boston; Robert was born in Virginia, later moved to Nova Scotia, and died in Boston; had a brother named Thomas
- Henry Jefferson (d. ca. 1828) m. Catherine Welch, Fauquier County, Virginia; moved to Garrard County, Kentucky, then to Boone County, Missouri, then to Yoncalla, Oregon
- Children born 1806-1817: Judith Margaret, Nancy, Catherin, Thomas
- William Wadsworth Jefferson (1814-1899)
- James Jefferson
- Mason Jefferson
- Henry Jefferson m. Elizabeth Busby
- Captain Jefferson - sea captain in Pacific Northwest in 1825, lived with Native Americans
- Sarah "Sally" Jefferson (ca. 1808-?) m. [William?] Vernon
- Frances Jefferson (ca. 1835- ), born in Virginia or Georgia, m. Jesse Milner
- Mary Frances Jefferson m. ca. 1825-1835 William A. Clay
- Kitty Ann Jefferson (1859-1921) m. H. S. Norton; Kitty Ann Jefferson's father buried in Palmyra, Missouri, mother in Old Alexandria, Lincoln County, Missouri.
- Campbell Jefferson (1806-?) m. Elizabeth Oliver
- Thomas Jefferson (ca. 1821-?), born in North Carolina, worked as a cooper
- compiled by Cinder Stanton, 7/2000; updated 9/30/15, 12/9/15