[1] Jackson was elected as a Democratic-Republican from Virginia's 1st congressional district to the United States House of Representatives of the 8th United States Congress and to the three succeeding Congresses and served from March 4, 1803, to September 28, 1810, when he resigned.

[1] He was confirmed by the United States Senate on February 24, 1819, and received his commission the same day.

[2] Jackson was the son of George Jackson, a United States Representative from Virginia, the brother of Edward B. Jackson, a United States Representative from Virginia, and the grandfather of William Thomas Bland, a United States Representative from Missouri.

She died in 1808 of tuberculosis and is buried in the Jackson Cemetery in Clarksburg, WV.

Jackson continued to correspond with Dolley Madison after the death of his wife and her sister.