The character was inspired by Waugh's friendship with the well-connected socialite, Lady Diana Cooper.
[1] Mrs. Stitch appears as a "fixer", a well-connected member of British, and especially London society, who can make things happen for people.
In Scoop, she is asked to find employment for a novelist by the name of John Courtney Boot, and arranges for him to be sent as a journalist to cover a revolution in Africa.
In the Sword of Honour trilogy, Mrs. Stitch appears briefly helping Guy Crouchback recover from his ordeal in Africa.
In the novel Put Out More Flags, Mrs. Stitch is referenced when it is discovered Angela Lyne has been drinking profusely.