Sarah was the daughter of unknown parents. The date and place of her birth have not been found.
Her husband was William McCreath, who she married on 7 OCT 1884. The place has not been found. Their six known children were Anne Louise (1880-?), Robert Charles (1882-1969), William Leaver (1884-1959), Elizabeth B (Ella) (1888-1989), Mabel (1889-?) and Florence M (1890-?).