John Hill Plunkett, born 9 Sep 1801 in Buckingham, Virginia, United States, died 18 October 1865 in Appomattox, Virginia, United States, was the son of Ambrose Plunkett, born 21 February 1782 in Buckingham County, Virginia, died 1844 in Buckingham County, Virginia, and Tabitha Hill, born 28 October 1781 in Amherst, Virginia, United States, died 1824 in Virginia, United States, daughter of James Hill and Ann Overton, and was their 1st born son.
John was married, firstly, to Cynthia Ann Mariah Staples, daughter of Captain David Staples and Elizabeth Bartol Stanwaad, on 19 January 1826 and had 7 sons and 6 daughters. He married, secondly, Anna M. Staples, younger sister of Cynthia, on 11 November 1863. He had no issue by his second wife.
The Plunkett family goes back to the first Plunkett to come to America in 1654, landing in Virginia.