When 'Vera Brandon' returns to the room she rented as Mrs. JA Williams, there's a nameplate on the door with her name. However, when she opens the door to enter the room, the nameplate is no longer there.
When Mrs. Henderson goes to visit the first people listed in Vera Brandon's book, she doesn't introduce herself by name; but the mother says for her baby to wave "Bye, bye, Mrs. Henderson."