> it's likely that they assume the dash There is a very mild version of that in the US -- lower likelihood of blind assumption, but still present: when a set o

> it's likely that they assume the dash There is a very mild version of that in the US -- lower likelihood of blind assumption, but still present: when a set of two given names starts with "Mary" or ends with "Ann/Anne". Examples include "Mary Jane", "Mary Kate", "Jo Ann", and of course "Mary Ann". Some have simply merged into single names like "Maryanne" and "Joanne" more recently. There are probably others.