The actress who played the role of Arya Stark in the popular TV series, Game of Thrones, uses the stage name, Maisie, instead of Margaret, which is her real name. Maisie is her nickname in the family because of her perceived likeness to the cartoon character from the UK newspaper comic strip, The Perishers.
Legal, not real. Legal ownership of the woman is transferred to the man and she has to be identified by his name ever after.
Break those shackles, girls, let no man own you.