It brought Northern European immigrants, primarily of British, German, and Dutch extraction. The British ruled from the mid-17th century and they were by far the largest group of arrivals, remaining within the British Empire. Over 90% of these early immigrants became farmers. Large numbers of young men and women came alone as indentured servants.
The U.S. census has never asked Americans directly about their religion or religious beliefs, but it did compile statistics from each denomination starting in 1945.. Finke and Stark conducted a statistical analysis of the official census data after 1850, and Atlas for 1776, to estimate the number of Americans who were adherents to a specific denomination.