Sarah Morley was the eldest daughter of Richard Morley of Park Square, Leeds, Lancashire. She was the cousin of the philanthropist Samuel Morley and of the future Prime Minister - Herbert Henry Asquith.
Family records state that Sarah underwent a mastectomy operation on the dining room table at the family home in Gordon Square, London. She is buried with her husband in Dorking Cemetery. Her portrait (43" x 34") painted about 1924 by her son Frank is in the possession of D S Fletcher.