Kate Middleton is the Duchess of Cambridge, born Catherine Elizabeth Middleton on January 9, 1982. She is a member of the Royal family because she is married to Prince William, the Duke of Cambridge.
Did Kate Middleton change her last name?
Kate Middleton did not change her last name after marriage. What happened is that by virtue of her new title, “The Dutchess of Cambridge”, she doesn’t require to be called by her last name’ instead Her Royal Highness Catherine, Duchess of Cambridge. This is a common habit in the royal family. Prince Harry went by Harry Wales (as his former title was Prince Harry of Wales) while serving in the military.
Why is she still referred to as Kate Middleton?
It is simply because that is the name many people knew her with until she assumed the Royal Highness status in her old age after marriage. It is not easy for those who knew her before to all stopl referring to her as Kate Middleton.