Complex sentence: The first recorded Anglican service held in New Haven was in 1727-8 when Rev. Johnson preached there, possibly; 10 New Haven men came up after and subscribed £100 towards building a Church.
Split into simpler sentences: The first recorded Anglican service held in New Haven was in 1727-8 when Rev. Johnson preached there. Some 10 New Haven men came up after the service and subscribed £100 towards building a Church.