 On October 12, 1827, Pratt married his third wife, Abagail P. Watson of Rensselaer, and their son was State Senator George W. Pratt (1830–1862).In 1828, his house was built.November 20, 1832, applied to the State Legislature to divide Windham, and on March 8, 1833, Prattsville was divided off from Windham.