her unusual first name boadicea is revealed later in the series, much to david horton's ongoing amusement, although in the final episode her full name is given as geraldine julie andrews dick van dyke supercalifragilisticexpialidocius chim-chiminey chim-chiminey chim-chim-cheree granger, the latter due to her mother's favourite book being "mary poppins" and the fact that the film was released in 1964, supposedly the year of geraldine's birth. geraldine celebrated her 40th birthday in an episode first broadcast on 1 january 2005. dawn french was 48 at the time.