Myles did much to promote the growth of the Baptist Church in Massachusetts, and was of service to the denomination in Boston and elsewhere.
United States of America.-The first Baptist Church in America was that founded in the Providence settlement on Narragansett Bay under the leadership of Roger Williams. Having been sentenced to banishment (October 1635) by the Massachusetts Court because of his persistence in advocating separatistic views deemed unsettling and dangerous, to escape deportation to England he betook himself (January 1636) to the wilderness, where he was hospitably entertained.
In 1787 he became pastor of a Baptist church in Leicester, and began those energetic movements among his fellow religionists which resulted in the formation of the Baptist Missionary Society, Carey himself being one of the first to go abroad.
That it is a mistake to consider him a narrow churchman is shown by his assisting in 1718 at the ordination of Elisha Callender in the First Baptist Church of Boston.
By 1812 there were in the United States 173,972 Baptist church members, the denominational numerical strength having considerably more than doubled since the beginning of the 19th century.
Some time before 1724 a Baptist church (probably Arminian) was formed at Oyster Bay.
In his seventeenth year he became a member of the Baptist church at Soham, and his gifts as an exhorter met with so much approval that, in the spring of 1775, he was called and ordained as pastor of that congregation.