She married actor-manager Ben Webster in 1892 in St Giles's Parish Church, London, and in 1895 they visited the United States, where Whitty appeared on Broadway. Their first child, a son, died at birth. Their only surviving child, a daughter born in the USA in 1905, Margaret Webster, was a stage Actress and held dual US/UK citizenship. Whitty's stage career continued for the rest of her life. In March 1910, she made her transition to middle-aged and elderly character roles, playing Amelia Madras in Harley Granville-Barker's four-act comedy The Madras House. In March 1922, she played the role of Mrs. Bennet before the Queen in a benefit performance of Pride and Prejudice. She acted opposite her husband, who performed its Mr. Darcy.