"Temple", as his family called him, was Thomson Mason's third child and youngest son with his second wife Elizabeth Westwood Wallace.
[2] Having reached the legal age of 21, Temple received a parcel of land in northern Loudoun County near Leesburg not far from Raspberry Plain, the house in which he grew up.
[2] On November 29, 1803,[2] at the Loudoun County Courthouse in Leesburg, the three brothers filed a document which partitioned the land, with Temple receiving 757 acres (3.06 km2).
[3] On August 9, 1825 Gilbert du Motier, marquis de Lafayette during his grand tour of the United States and accompanied by President John Quincy Adams and former President James Monroe (who was then residing at his Oak Hill plantation in southern Loudoun County) visited Temple Hall.
[2][3] Mason served one term in the Virginia House of Delegates, from 1830 to 1831, temporarily displacing veteran James McIlhaney.
Ball for the sum of $50,000 (~$1.19 million in 2023) and retired to Georgetown in Washington, D.C.[2][3] Temple Mason died in 1862 and was interred in the Old Episcopal Churchyard in Leesburg.