Through his campaigning for women's suffrage, Henry Fawcett met Elizabeth Garrett, to whom he proposed in 1865. She rejected the proposal to concentrate on becoming a doctor at a time when female doctors were extremely rare. In 1867, Fawcett married Elizabeth's younger sister Millicent Garrett. They had one child, Philippa Fawcett. Henry Fawcett's career was cut short by his premature death from pleurisy in November 1884, aged 51.