 Mason of Washington, D.C. owned at least four enslaved people in 1860, a 5 year old black girl, 16 year old mulatto woman and 30 and 59 year old black and mulatto males.On January 2, 1857, six years after the death of his wife, and at the age of 75, Temple sold Temple Hall to Henry A.Ball for the sum of $50,000 and retired to Georgetown in Washington, D.C. Temple Mason died in 1862 and was interred in the Old Episcopal Churchyard in Leesburg.