Ric...yes, most but not all. The Plague was active in Britain over many centuries. And it wasn't just the plague...leprosy was also an issue for churches.
Plague villages are even more interesting. These are places where the whole village moved to another location, not too far away. The old village was then destroyed by fire, as a way of avoiding the plague. It didn't always work though, as the inhabitants carried the plague with them.
A good OS map will help in locating these !
here is something else that is fun looking for ....furniture made by Robert Thompson, the mouseman ::
http://www.robertthompsons.co.uk/visitor-centre/
Usually only found in larger, more wealthy churches.
Lots to see in country churches it would seem !