Harriet Mary Eliza Sampson
- Born: Abt 1796
- Christened: 8 Jul 1796, St. John's, Hackney, MDX
- Marriage (1): James Sleigh on 2 Jan 1812 in Christ Church, LON
- Marriage (2): George Kenniwell in 1822 in Sydney, NSW
- Died: After 1824
Harriet married James Sleigh on 2 Jan 1812 in Christ Church, LON. (James Sleigh was born on an unknown date and died after 1812.)
Harriet next married George Kenniwell, son of Thomas Kenniwell and Elizabeth Hayes, in 1822 in Sydney, NSW. (George Kenniwell was born about 1799, christened on 31 Mar 1799 in Sutton cum Lound, NTT and died on 4 Jan 1842 in Newcastle, NSW.). The cause of his death was Manslaughter.