Mill Door ANR C NT654992 1 364
Mill Door 1855 OS 6 inch 1st edn
SSE mill + SSE door
A natural arch on the west side of the Isle of May, it is clear why it is referred to as a door, but it is not evident why a ‘mill door’. OS Name Book describes it but gives no explanation as to how it obtained its name.
This place-name appeared in printed volume 3