In the 1880 US Federal Census for Excelsior, Sauk, Wisconsin, 67-year-old New Jersey born widow Margaret Harrison is keeping house for her granddaughter, 8-year-old Iowa-born Clara Harrison. [I do not know her father's or mother's names]. Margaret's parents were born in New Jersey. Clara's father was born in New Jersey and her mother in Wisconsin. Clara has not attended school in the past year. Living next door to Margaret and Clara is Margaret's oldest son, 44-year-old New Jersey-born farmer T.W. [Thomas W] Harrison and his family. Thomas and his 39-year-old New York-born wife Mary E [maiden name unknown] Harrison have in their household their Wisconsin-born children, 16-year-old Nelly, 14-year-old Josephine, 12-year-old Edith and 7-year-old Minott. All three children have attended school in the past year. Thomas' parents were born in New Jersey, Mary's parents in New York and the children's father was born in New Jersey and their mother in New York.