The bright and low winter sun revealed that a certain John Cavery left his mark on the village church. Judging by the poor attempt at serifs on the script (and please note that modern scratchers don't bother with serifs..) I would say this was scratched in the 18th century.
What was John doing in the churchyard? Was he hiding from the Vicar during the service? Perhaps he was waiting for his true love by moonlight? Alas we shall never know.