He followed the fortunes of his parents, and in 1675, had a farm at Piscataway surveyed for him. In 1683 , he came into possession of a hundred acres of land at Ambrose Brook; in 1685, he took up another hundred acres. On Oct 18, 1676 John Smalley Jr. married Lydia Marten daughter of John and Esther (Roberts) Marten, of Piscataway. Was a member of the Piscataway Baptist Church.