Meaning and information about Catesby, What does Catesby mean? Catesby means Henry VI, Part 2' Sir John Stanley. 'King Henry the Sixth, Part III' Sir William Stanley. As You Like It' A country fellow, in love with Audrey. 'The Merry Wives of Windsor' A boy, son to Page. 'King Richard III' Sir William Catesby. Find similar names like Catesby.