Catherine Earnshaw is a central character in Emily Brontë's novel, Wuthering Heights. She is the daughter of Mr. Earnshaw and grows up on the Wuthering Heights estate. Catherine is known for her strong-willed and passionate nature, which often leads to tumultuous relationships, particularly with Heathcliff, her childhood companion. Catherine's character embodies the themes of love and social class. Her decision to marry Edgar Linton, a wealthy neighbor, creates a rift between her and Heathcliff, ultimately leading to tragedy. Throughout the novel, Catherine's spirit and desires significantly influence the events and other characters' lives.