Banns are traditionally associated with Christian churches and are part of religious marriage preparations. They attended the morning service to hear their banns announced.
Pro Tip 2/3
Public Notice
Banns serve as a public declaration to allow objections, if any, before the marriage occurs. The banns were posted on the noticeboard for three consecutive weeks.
Pro Tip 3/3
Pre-Wedding Ritual
Reading the banns is a step in the formal process leading up to a wedding; it's not the ceremony itself. Their wedding preparations began once their banns were read.