His first public office was as a member of a committee that joined with the Court of Magistrates in determining the course of war with the Pequot Indians.
In addition to his service as Governor of the Connecticut Colony, John Webster was one of the nineteen men representing the towns of Hartford, Wethersfield, and Windsor in 1638-39 who participated in the drafting and adoption of the Fundamental Orders of Connecticut, a document that is widely acknowledged as establishing one of the earliest forms of constitutional government.
[2] A split amongst the church members in Hartford grew when the current minister at the First Church in Hartford, Samuel Stone, declared that the requirement that stated only parents that had both taken communion should be allowed to have a child baptized would be removed, and non-communicants would be allowed to vote.
Reverend Stone chose to ignore this sentiment, and the issue was taken up with the General Court in Massachusetts.
The Court ruled that although Reverend Stone had been too strict in ignoring the majority of his parishioners, he was right in liberalizing the baptism ritual.