Wescott was a school teacher in what would become Wiota, Wisconsin. He married Nancy Brown in November 1845 before eventually settling in Cadiz, Wisconsin. Wescott died in Minneapolis, Minnesota, where he had been receiving medical treatment.
Wescott was a member of the Assembly during the 1863 session. Additionally, he was Magistrate of York, Green County, Wisconsin, Register of Deeds of Cadiz and Treasurer of Green County, Wisconsin. He was a Republican.