Joseph Stewart, son of John Stewart, the son of Robert Stewart, was born in Londonderry, New Hampshire on 17 Jan. 1721.
Prior to 1752 he moved from Londonderry to Colrain, Massachusetts and settled 200 rods north of the meetinghouse, and directly east of the old covered bridge at the "Sammon Hole".
He sold this lot in 1770 and removed to Halifax, Vermont, and later went to Bennington, VermontT, and finally White Creek, New York. 
He died on 22 February 1821 at the age of 100 years, 1 month, and 5 days in White Creek, Washington County, New York and was buried at Rosewood Cemetery, White Creek, Washington County, New York. His memorial has a photo of his headstone and links to those of family members.
Joseph Stewart was married to Margaret Thompson who died after 1770, she was the mother of his children.
↑ 1.001.011.021.031.041.051.061.071.081.091.101.11 B. Frank Severance, Genealogy and biography of the descendants of Walter Stewart of Scotland and of John Stewart who came to America in 1718 and settled in Londonderry, N.H. Greenfield, Massachusetts. 1905. p. 31-35. Available at FamilySearch.org.
It may be possible to confirm family relationships with Joseph by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
Y-chromosome DNA test-takers in his direct paternal line on WikiTree: