[Opinions] Re: Beautiful classic names with unbeautiful nicknames
Ohh, Mary-Katherine "Mark/Markie" could be interesting. I never thought about using a compound name, but that could be a good idea.
The thing about the character that I'd like to get across is that she feels trapped in a powerless state by her family, as represented by their excessive use of an unflattering pet name for her when she has a much more beautiful name. Her full name becomes a point of obsession as it becomes this alternate reality of who she thinks she could have been. Her name becomes a separate person from herself.