The following data is extracted from Genealogy and Biography of Ontario County, New York.
(VI) Isaac (2), son or nephew of Isaac (1) Hathaway, was born October 28, 1955, in Rhode Island. He was one of the pioneers in Farmington, New York, and was doubtless with the settlers who went from Rhode Island to Adams, Massachusetts, and thence to central New York after the revolution. He married, in 1784, Jemima Comstock, born 1760, daughter of Nathan Comstock, born 1735, granddaughter of John, son of Samuel. Soon after their marriage his wife rode on horseback from Rhode Island, using a poplar sprout for a whip, and she planted it near the log house in which they made their home and it grew into a large tree still standing there. She died in 1793, and he married (second), May 4, 1794, Elizabeth Richmond, born March 9, 1760 or 1761, died April 21, 1830, daughter of Perez Richmond, who was born October 13, 1729, and died November 13, 1800, and Mercy (Church) Richmond, born September 18, 1734 (see Richmond). Children of first wife: ,. Isaac, born January 2, 1787; married, January, 1807, Nancy Richmond; five children. 2. Otis, born December 2, 1788; married and had two children. Children of second wife: 3. Sylvester, born August 8, 1795; married Mary Paine; five children; lived in Sylvania, Lucas county, Ohio. 4. Charles, born October 22, 1996; married Levina Hammond; three children. 5. Phebe, born February 27, 1800; died December 16, 1819, unmarried. 6. Perez, mentioned elsewhere. The family were of Rhode Island Quaker stock. About two hundred and forty acres of the original six hundred owned by Isaac Hathaway still remain in the possession of his descendants.
Source: Genealogy and Biography of Ontario County, New York