The following data is extracted from Gazetteer of Lamoille County, Vermont, for 1883-84.
Isaac Tillotson, from Massachusetts, came to Belvidere at an early date, remaining until his death, in 1857, aged ninety-eight years. Isaac was a revolutionary soldier, and reared a family of eight children. His son, Eben, was born in 1783, reared a family of nine children, and died in 1848. Chauncey, youngest son of Eben, born in 1834, has been a resident of this town since 1862. Richard, the third son of Isaac, was born in 1798. His family consisted of six children, of whom the second, Orrin, has always been a resident of Waterville. He has held many of the town offices.
Source: Gazetteer of Lamoille County, Vermont, for 1883-84