In reply to IainRUK:
I'm surprised she did at all. The majority of academics I know have kept their maiden name, kind of goes with the Dr.
My wife did change hers, but she didn't actually like her old one and it was 32 years ago ...
To the OP, I don't think there are any problems, but you will get as many opinions about banks as there are people. We asked around when we got back from Switzerland but ended up staying with Midland (HSBC), which we never liked, but every other major clearing bank seems to he as many votes against as for.