Between 1629 and 1640, roughly 21,000 Puritans (and servants) immigrated from England (especially East Anglia) to New England. This was one of the four great free folk migrations of the colonial period, along with the Anglicans to Virginia and the Chesapeake, the Quakers to Pennsylvania and Delaware, and the Scotch-Irish to various parts of English colonies.
More than any other colonial group, the Puritans (formally known as Congregationalists) moved in familial groups, and the nuclear family stood as the most important social institution, outside of the Congregation itself.
The Puritans demanded great rigor from their church members, and most residents of New England belonged to some church, especially in the seventeenth century. Five ideas held the Congregationalists together: the depravity of man, the covenant that held all together in this fallen world, that God chose His elect, that all good comes from Grace, and that men and women must love one another.
— Read on theimaginativeconservative.org/2021/03/john-winthrop-imaginative-conservative-bradley-birzer.html