Abstract In 1631, a log cabin was built to serve as the first meeting house of the recently settled Dorchester Plantation. For its first five years of existence, the parish had two ministers, John Warham and John Maverick. They were followed by Rev. Richard Mather, who served from 1636-1669. The church evolved from a Trinitarian Congregational church, during the pastorate of Thaddeus Mason Harris (1793-1836), to the Unitarian denomination. The First Parish Dorchester Church, now a member of the...