The following data is extracted from Genealogy and Biography of Ontario County, New York.
Isaac, son or nephew of Nathan Cotton, was born in western Massachusetts, before 1790, died in 1869. He settled in Farmington, Ontario county, New York. and married Sarah Bennett. of Macedon, New York. Children: Nathaniel, Susan, Annie B., Isaac, Matilda, Leonard, mentioned elsewhere.
Source: Genealogy and Biography of Ontario County, New York