"ACT-ually, the term Honeymoon comes from the Pagan tradition of a bride and groom drinking mead for- oh! There we go!" Hermione Granger, yes of course she kept her name.
Hannah Abbott making the Dean's List while tutoring Dean in Charms. It was supposed to be a one-time reward for doing well on a test but soon she was celebrating even minor improvements with a wand polishing.