The following data is extracted from Genealogy and Biography of Ontario County, New York.
Rufus, son of Jesse (2) and Sarah (Warrener) Warner, was born in Conway, Massachusetts, in 1775, died in Ontario county, New York He came to the town of Phelps, Ontario county. with his father in 1796, and later settled in the town of Hopewell, same county, where he engaged in farming. He married Rice, a sister of "Elder Caleb Rice," whose mother was a sister of Rev. John Leland, of New England fame. Children: Two sons and two daughters.
Source: Genealogy and Biography of Ontario County, New York